Sci 8

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

2009-10

Term: First

Week: 10: From: 24.08.2009

To: 29.08.2009 T/Duration:

Teacher: Samuel Dan Dur 01 02

Subject: Science

Lesson Title Reaction of metals Reaction of metals

T / W:

Grade:08

Topic Reaction of metals Understanding the properties of metals

04

C/W/P - H/A C

C/W Exp:p#10 (repeat) C

C/W Exp:p#11 C/W Ex:p#11

03

Reaction of metals

Understanding the properties of metals

Q1. Why do metals behave as they do? Q2. Explain why most metals have a higher density than non-metals? Q3a. Explain what these words mean: i) malleable ii) ductile b. Explain why metals can be easily shaped by hammering? Q4a. Describe the arrangement of electrons in a metals? b. Why does this help a metal to conduct electricity? Q5. Why are non-metals good insulators? C/W Exp :p# 12

04

Reaction of metals

Metal & Acids

Activity: Dur-04: “The action of dilute acids on some metals.” Apparatus:1. 3 test tubes 2. test tube rack Materials: 1. Dilute hydrochloric acid 2. zinc 3.magnesium 4. iron 5. 3 splints 6. a box of matches Signature: Samuel Dean

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

2009-10

Week: 11 From: 31.08.2009 Teacher: Samuel Dan Dur

Term: First

T / W:

To: 05.09.2009

T/Duration:

Subject: Science

Lesson Title

04

Grade:08

Topic

C/W/P - H/A C

01

Metal & Acids Reaction of metals

C/W Ex:p#12 Q1. Why do many metals react with acids? Q2. What gas is given off when a metal reacts with an acid? Q3. What is salt? Q4. Describe how you would make a sample of zinc sulphate? C

C/W Exp:p#13

02

03

04

Reaction of metals

Acids & metal carbonates

Reaction of metals

Acids & metal carbonates

Reaction of metals

Acids & metal Oxides

C/W Exp:p#13 Q1. What is produced when a metal carbonate reacts with an acid? Q2. Describe how you would make a sample of lead nitrate? C/W Exp :p# 14

[

Activity: Dur-02: “The action of dilute acids on some carbonates.” Apparatus: 1. 5 test tubes 2.test tube rack 3.stopper carrying a delivery tube Materials: 1. calcium carbonate 2. dilute hydrochloric acid 3. clear limewater 4. copper carbonate 5. dilute sulphuric acid 6. sodium carbonate 7. dilute nitric acid Signature: Samuel Dean

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session: Week:12

2009-10

From: 07.09.2009

Teacher: Samuel Dan Dur

Lesson Title

Term: First

T / W:

To: 12.09.2009

T/Duration:

Subject: Science Topic

04

Grade:08 C/W/P - H/A

C

C/W Ex:p#14 01 Reaction of metals

Acids & metal Oxides

Q1. What is a base? Q2. What do scientists call a soluble base? Q3. Metal oxides will not dissolve in water. What will they dissolve in? Q4.Describe how you would make some copper (ii) sulphate crystals? C

02

Reaction of metals

Titration

C/W Exp:p#15,16 C/W Ex:p#16

03 Reaction of metals

Titration

Q1. What is titration? Q2. What is meant by neutral point or end point? Q5. If the indicator litmus was used, what colour would it be at the end point of the titration? Q6. Give one safety precaution that should be taken when carrying out a titration? C/W Exp :p# 17

04

Reaction of metals

Some common salts and their uses

Activity: Dur-4: “How to make a glue” Materials: 1. skim milk 2. baking soda 3. vinegar 4. measuring spoon 5.paper towels 6.rubber band 7. measuring cup Signature: Samuel Dean

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

2009-10

Term: First

Week:13 From: 14.09.2009 Teacher: Samuel Dan Dur

Lesson Title

To: 19.09.2009 Subject: Science

T / W: T/Duration: 04 Grade:08

Topic

C/W/P - H/A C

C/W Exp:p#20

01

Energy & electricity

Energy & electricity

C

C/W Ex:p#20 02

Energy & electricity

Energy & electricity

03

Energy & electricity

Energy arrows

Q2a. Where does the energy come from the start a model steam engine? b. a clockwork alarm clock? Q3. What form of energy produced by a television is not needed? C/W : Exp:p#21 C/W : Ex:p#21

04

Energy & electricity

Energy arrows

Q1. What is Sankey diagram? Q2. In a Sankey diagram, why are the arrows different widths? Q3. A light bulb is only about 80% efficient. What does this mean? Q4. Where is most energy lost in a power station?

Activity: Dur-01: “Measuring electric current” Apparatus: 1. Dry cell in its holder 2. Bulb (1.5v) inits holder 3. ammeter (0-3A) 4. switch 5. connecting wires Signature: Samuel Dean

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

2009-10

Week:14 From: 21.09.2009 Teacher: Samuel Dan Dur

Lesson Title

Term: First

T / W:

To: 26.09.2009

T/Duration: 04

Subject: Science

Grade:08

Topic

C/W/P - H/A C

C/W Exp:p#34 1.Fit & healthy 01

Fit & healthy

2.Healthy eating

C

1.Fit & healthy 02 Fit & healthy

03

2.Healthy eating

Eating disorders

Fit & healthy

C/W Ex:p#34 Q1.p#34- What does good health mean? Q2.Give three ways you can ensure good health? ___________ Q2.p#35- What should a balanced diet contain? Q5a. What is fiber? C/W : Exp:p#36 C/W : Ex:p#36

04

Eating disorders Fit & healthy

Q2b. What would happen to you if your diet was lacking vitamin C? Q3a. What is rickets? Q5b. Explain how a person get kwashiorkor?

Activity:Dur-01: The classes of food contained in some food commonly available fast food restaurants. Signature: Samuel Dean

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur 01

2009-10

Term: First

T / W:

Week:15 From: 12.10.2009

To: 17.10.2009

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title Fit & healthy

Topic

Drugs

C/W/P - H/A C

C/W Exp:p#37 C

C/W Ex:p#37 02

Fit & healthy

Drugs

Q1. What are drugs? Q2. Explain the difference between painkillers and tranquillizers? Q3. What are anesthetics used for? Q4. What is a drug addict? C/W : Exp:p#38

03

Fit & healthy

Smocking

C/W : Ex:p#38 04 Fit & healthy

Smocking

Q2. Explain why smokers find it hard to give up? Q3. Explain why smokers often get bronchitis?

Activity: Dur-03: How to stop smoking? Aim: 1.“ To recognize the harmful effects and consequences of smoking.” 2. “To recognize the harmful substances found in tobacco smoke” Signature: Samuel Dean

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: Sec

T / W:

Week:16 From: 19.10.2009

To: 24.10.2009

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

1.Patterns of reactivity

Patterns of reactivity

C/W Exp:p#42,43

2.How do metals react? C

C/W Ex:p#43

02

Patterns of reactivity

03

Patterns of reactivity

2.How do metals react?

The reactivity series

Q4. What is an unreactive metal? Q5. Explain why unreactive metals are good for making jewellery? Q6. Which do metals react with most easily, water ,acid or oxygen? Explain your answer C/W : Exp:p#44 C/W : Ex:p#44

04 Patterns of reactivity

Activity: Signature: Samuel Dean

The reactivity series

Q4a.Decribe what you would see when a piece of sodium is dropped into water. b. steam is passed over heated magnesium. c. a piece of iron is left in the air. d. a gold ring is left in a weak acid.

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: Sec

T / W:

Week:17 From: 26.10.2009

To: 31.10.2009

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

Patterns of reactivity

Displacement reactions

C/W Exp:p#45 C

C/W Exp:p#45

02

Patterns of reactivity

Displacement reactions

03 Patterns of reactivity

Metals from the Earth

Q1a. When an iron nail is put into copper sulphate solution there is a displacement reaction. What does this mean? b. What would happen if silver and zinc were used instead of the iron? C/W : Exp:p#46 C/W : Ex:p#46

04

Patterns of reactivity Metals from the Earth

Activity:

Signature: Samuel Dean

Q2a. What is a metal ore? b. Explain why most metals are found as compounds in ores. Q5a. What is recycling? b. Explain how recycling can help conserve natural resources?

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: Sec

T / W:

Week:18 From: 02.11.2009

To: 07.11.2009

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

02

03

04

Patterns of reactivity

Patterns of reactivity

Extracting metals from their ores

C/W Exp:p#47

Extracting metals from their ores

C/W Exp:p#47 Q1. What are the two stages in extracting a metal from its ore? Q2. Explain why it is easier to separate a metal low in the reactivity series from its ore? Q3a. Describe how aluminium is extracted from bauxite? Q4. Why is carbon added to iron oxide in a blast furnace? Q5. Explain why electrolysis is needed to extract aluminium while iron can be extracted without it? C/W

Patterns of reactivity

Test Conduct

C/W : Patterns of reactivity

Activity:

Signature: Samuel Dean

Practical

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session: Week:19

2009-10

From: 23.11.2009

Teacher: Samuel Dan Dur 01

Lesson Title

Term: Sec

T / W:

To: 26.11.2009

T/Duration: 04

Subject: Science Topic

Gravity & space

Gravity & space

Grade:08 C/W/P - H/A

C

C/W Exp:p#52 C/W Ex:p#52 Q1. Why do things fall to the ground when you drop them? Q2. What gave Sir Issac Newton the idea about gravity and when? Q3. How does mass affect the gravitational force between two objects? Q4. How does distance affect gravitational force between two objects? Q5. Explain why two very large and heavy objects will attract each other when they are close together. C

02

Gravity & space

Gravity & space

C/W : Exp:p#53

03

Gravity & space

Weight in space

04 Gravity & space

Weight in space

C/W : Ex:p#53 Q2. What does 1kg of matter weigh on Earth? Q3b. What is g on Earth? Q4. Calculate the weight of 4 kg rock on Earth. (assume g= 10 N/kg) Q5. The diameter of Venus and Earth are more or less the same. Why would an object weigh lesson Venus than on Earth?

Activity:Dur-3:1. To show that the loss of weight of a stone completely submerged in water is equal to the weight of water displaced. 2. To determine the density of a solid Signature: Samuel Dean

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session: Week:20

2009-10

From: 01.12.2009

Teacher: Samuel Dan

Dur

Lesson Title

Term: Sec

T / W:

To: 05.12.2009

T/Duration: 04

Subject: Science

Topic

Grade:08

C/W/P - H/A C

01

Gravity & space

Keeping the planets in C/W Exp:p#56 orbit C/W Exp:p#56 Q1. How are the planets of the solar system kept in orbit? Q2. Why do the planets keep moving at high Keeping the planets in speeds? orbit Q3a. What is a comet? b. What is the difference between the orbit of a comet and the orbit of the Earth? Q4a. Explain why comets have long tails? b. Why can this tail be seen from Earth? C

02

03

Gravity & space

Gravity & space

Gravity & space 04

Activity:

Signature: Samuel Dean

Satellites in Orbit

Satellites in Orbit

C/W : Exp:p#57,58 C/W : Ex:p#57,58 Q1a. What is a satellite? Q2. Explain why a satellite stays up in space. Q3. What keeps a satellite in orbit? Q5. Explain the difference between a polar orbit and a geostationary orbit. Q6.Explainwhya satellite appears to be stationary above the Earth's surface.

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur 01

2009-10

Term: Sec

T / W:

Week:21 From: 07.12.2009

To: 12.12.2009

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title Plant & photosynthesis

Topic Plant & photosynthesis

C/W/P - H/A C

C/W Exp:p#62 C

02

Plant & photosynthesis

Plant & photosynthesis

03

Plant & photosynthesis

The Chemistry of photosynthesis

C/W Ex:p#62 Q1.Why are plants important? Q2. Where does photosynthesis take place? Q3. Where does the energy for photosynthesis? Q5. How do the shapes of leaves help them do their job? C/W Exp:p#63

C/W Ex:p#63

04 Plant & photosynthesis

Activity:

Signature: Samuel Dean

The Chemistry of photosynthesis

Q3a. What two simple chemicals are needed for photosynthesis? b. Describe how these chemicals get into the leaf. Q4. What large molecule is made during photosynthesis? Q5a. what happens to the oxygen produced during photosynthesis? b. Explain why this is important

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

2009-10

Term: Sec

T / W:

Week:22 From: 04.01.2010

To: 09.01.2010

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Dur

Lesson Title

Topic

01

Plant & photosynthesis

Photosynthesis: The starch test

C/W/P - H/A C

C/W Exp:p#66 C

C/W Ex:p#66 02

Plant & photosynthesis

Photosynthesis: The starch test

Q1. Explain how the starch test show that a plant has been photosynthesizing. Q4a. Describe one important safety precaution that must be taken during the starch test. b. Explain why it is important. C/W Exp:p#65

03

04

Plant & photosynthesis

Plant & photosynthesis

Photosynthesis : testing the equation

Photosynthesis : testing the equation

C/W :Ex: p#65 Q1. What gas is absorbed by soda lime? Q2. Describe a variegated leaf. Q4. Explain why it is important to leave the leaf attached to the plant in the experiment to show carbon dioxide is needed for photosynthesis.

Q5. What does a glowing splint do when it is put into oxygen? Activity: Dur-03 “To investigate whether carbon dioxide gas is needed for photosynthesis” Apparatus: 1. 2 bell jars 2. 2small beaker 3. 250 m/beaker 4. boiling tube 5. Bunsen burner 6. tripod stand

7. wire gauze 8. dropper 9. glass rod 10. white tile.

Material: 1. 2 potted plants

2. plastic bags 3. iodine solution 4. soda lime 5. sodium hydroxide solution

6. alcohol 7. cotton wool Signature: Samuel Dean

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: Sec

T / W:

Week:23 From: 18.01.2010

To: 23.01.2010

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

Plant & photosynthesis

What happens to the glucose?

C/W Exp:p#66 C

C/W Ex:p#66 02

Plant & photosynthesis

What happens to the glucose?

03

Plant & photosynthesis

Plants need water

Q2. Explain how a plant stores glucose. Q3. What does a plant do with cellulose? Q4a. Explain how a plant makes protein.. b. Why is protein important? C/W Exp:p#67 C/W :Ex: p#67

04

Plant & photosynthesis

Activity: Signature: Samuel Dean

Plants need water

Q1a. What is the job of a plan's roots? b. How are roots adapted for their job? Q2. Why do root hair cells have thin membranes? Q3a.Explain why water enters root hair cells. b. Where does the water go? Q4a. Where do root cells get their oxygen from?

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: Sec

T / W:

Week:24 From: 25.01.2010

To: 30.01.2010

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

Plant & photosynthesis

Plants need minerals

C/W Exp: p#68 C

C/W Ex:p#68

02

Plant & photosynthesis

Plants need minerals

Q1. Why do pants need mineral elements? Q2. Explain how minerals get into the soil. Q3. What is leaching? Q4. Explain why some soil need fertilizers added to them. Q5. Describe two ways that minerals get into root Cells.

03

Plant & photosynthesis

Photosynthesis and respiration

C/W Exp:p#69

1.Gravity & space 04

Plant & photosynthesis

2.Keeping the planets in orbit 3.Plant & photosynthesis

Activity: Signature: Samuel Dean

C/W : Conduct Test

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: Sec

T / W:

Week:25 From: 01.02.2010

To: 06.02.2010

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

Environmental Chemistry

Environmental Chemistry

C/W Exp: p#72 C

C/W Ex:p#72 02

Environmental Chemistry

Environmental Chemistry

Q1a. How did is planet Earth? b. Where did it come from? Q2. Describe three characteristics of planet Earth? C/W Exp:p#73

03

Environmental Chemistry

Soil

C/W :Ex: p#73 04

Environmental Chemistry

Soil

Q1. Explain how soil is produced from rocks. Q2a. What is humus? b. Why is humus important? Q4a. Why are the water important in soil? b. air in soil?

Activity: Dur-3: “getting to know the microscope and its adjustments” Apparatus: Microscope

Quiz: Periodic table Signature: Samuel Dean STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

2009-10

Week:26 From: 08.02.2010 Teacher: Samuel Dan Dur 01

Lesson Title

Term: Sec

T / W:

To: 13.02.2010

T/Duration: 04

Subject: Science Topic

Environmental Chemistry

Acid rain

Grade:08 C/W/P - H/A

C

C/W Exp: p#75 C

02

Environmental Chemistry

Acid rain

C/W Ex:p#75 Q2. Why has the acidity of rain increased? Q3. Explain why sulphuric acid is a more dangerous product of burning fossil fuels than carbon dioxide? C/W Exp:p#76,77

Global warming:(1) The effects 03

Environmental Chemistry

Global warming:(2) The effects

Global warming: (1):The cause

04

Environmental Chemistry Global warming (2): The effects

C/W :Ex: p#76 Q1. What are greenhouse gases? Q2. What is global warming? Q3. Explain how greenhouse gases cause global warming. Q3 p#77.What evidence is there to support scientists predictions about the effects of global warming?

Activity: Dur-3: 1. Does rain water contain dissolved air 2. Looking at Tap water Materials: 1. beaker 2. rain water 3. tap water Signature: Samuel Dean

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: Sec

T / W:

Week:27 From: 15.02.2010

To: 20.02.2010

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

1.Speeding Up Speeding Up

2.Where do we meant by speed?

C/W Exp: p#82,83 C

C/W Ex:p#83

02

Speeding Up

Where do we meant by speed?

Q2a. A sports car travels at its top speed of 200 km/h. How far will it travel in. b.30 minutes. Q4a. A bullet from a gun travels at 600 m/s. How far does the bullet travel in 2 s? b. How long would it take to travel 150 m?

03

Speeding Up

Changing speed and direction

C/W Exp:p#85

Changing speed and direction

C/W :Ex: p#85 Q1. Explain what is meant by balanced forces. Q2. Explain what is meant by unbalanced forces. Q3. What is Newton's first law of motion? Q4. Explain why a spaceship keeps moving in

04

Speeding Up

outer space without an engine to push it along.

Activity:

Signature: Samuel Dean

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: Sec

T / W:

Week:28 From: 22.02.2010

To: 26.02.2010

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

Speeding Up

Acceleration

C/W Exp: p#86 C

C/W Ex:p#86 02

03

Speeding Up

Speeding Up

Acceleration

Gravity, falling & air resistance

Q1. A car has an acceleration of 4 m/s. Explain what this means. Q2e. What was the acceleration over the first 2 seconds?( through table) f. How many seconds after the start of the journey did the car start to brake? g. What was the retardation over the last 4 seconds? C/W Exp:p#87

C/W :Ex: p#87 04

Speeding Up

Activity:

Signature: Samuel Dean

Gravity, falling & air resistance

Q1. Explain why an object falls to the ground when it is dropped. Q2. Explain what these terms mean: a) air resistance b) terminal velocity.

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: Sec

T / W:

Week:29 From: 01.03.2010

To: 06.03.2010

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

Where does our food come from

Creating perfect conditions for plant growth

C/W Exp: p#97 Creating perfect conditions for plant growth C

02

03

04

Where does our food come from

Creating perfect conditions for plant growth

Where does our food come from

1.Soil 2.Acid rain 3. Acceleration

Where does our food come from

Activity: Signature: Samuel Dean

Photosynthesis: the starch test

C/W Ex:p#97

Conduct Test

STAR EDUCATION SYSTEM STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

2009-10

Term: Sec

Week:30 From: 08.03.2010

To: 13.03.2010

Teacher: Samuel Dan

Dur

Lesson Title

T / W:

Subject: Science

T/Duration: 04 Grade:08

Topic

C/W/P - H/A C

01

Using Chemistry

1. Using Chemistry.

C/W Exp: p#100,101

2.Burning fuels C

C/W Ex: p#101 02

Using Chemistry

Burning fuels

Using Chemistry

Chemical reactions as energy sources

03

Q1a. What is a hydrocarbon? b. Describe what happens to a hydrocarbon when it burns. Q2a. What is complete combustion? C/W Exp: p#102

C/W Ex: p#102 Q1. Why does the reactivity series help you predict 04

Using Chemistry

Activity:

Signature: Samuel Dean

Chemical reactions as energy sources

what will happen in a chemical reaction?

Q2a. Describe the Thermite reactin. Q3. What is an exothermic reaction? Q4a. What is electricity? b. Explain how electricity is produced from a simple cell.

STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: First

T / W:

Week:16 From: 19.10.2009

To: 24.10.2009

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

Using Chemistry

Conservation of mass (1)

C/W Exp: p#105 C

02

Using Chemistry

Conservation of mass (1)

Using Chemistry

Conservation of mass (2)

Using Chemistry

Conservation of mass (2)

C/W Ex: p#105 Q1. How did Lavoisier discover that mass is covered in a chemical reaction? Q2. Explain why mass is conserved during a chemical reactin. Q3. Explain why some chemical reactions appear to lose mass. Q5. Explain how the production of a gas during a chemical reaction can be used to measure the rate of the reaction.

03

04

Activity:

Signature: Samuel Dean

C/W Exp: p#106

C/W : Practical

STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: First

T / W:

Week:16 From: 19.10.2009

To: 24.10.2009

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

Pressure & Moments

Pressure & Moments

C/W Exp: p#110,111 C

C/W Exp: p#111

02

03

Pressure & Moments

Pressure & Moments

Pressure & Moments

Pressure in gasses

Q1. What is pressure? Q3a. How is pressure affected by surface area? b. force Q4. Explain why a person who sits on a drawing pin hurts himself yet someone lying on a bed of nails does not. Q5a. A lady wearing shoes with stiletto heels weighs 550 N. The area of each stiletto heel is 1 cm. Calculate the pressure of each heel on the floor. C/W: Exp: p#112 C/W: Ex: p#112

Pressure & Moments 04

Activity:

Signature: Samuel Dean

Pressure in gasses

Q1. Explain why air can be squashed. Q2. Why does compressing a gas cause it to heat up? Q3. Describe the link between volume and pressure of a gas.

STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: First

T / W:

Week:16 From: 19.10.2009

To: 24.10.2009

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

Pressure & Moments

Pressure in liquids

C/W Exp: p#113 C

C/W Ex: p#113

02

Pressure & Moments

Pressure in liquids

Q1.Explain why the pressure in a liquid with depth. Q2. How does the density of a liquid affect pressure? Q3.Describe how you can show that the pressure in a liquid does not depend on the shape of its container. Q4. Explain why submarines need thick, strong walls.

03

Pressure & Moments

Hydraulic machines

04

Pressure & Moments

Levers & moments

Activity:

Signature: Samuel Dean

C/W Ex: p#114 Q1. Why are liquids difficult to compress? Q.2. Explain difference between an input cylinder and an output cylinder in a hydraulic jack. Q4.Explain why a hydraulic jack is a good example of a force multiplier. C/W: Exp: p#115

STAR Higher Secondary School of learning TEACHER’S WEEKLY PLANNER

Academic Session:

Dur

2009-10

Term: First

T / W:

Week:16 From: 19.10.2009

To: 24.10.2009

T/Duration: 04

Teacher: Samuel Dan

Subject: Science

Grade:08

Lesson Title

Topic

C/W/P - H/A C

01

Pressure & Moments

Levers & moments

C/W Exp: p#115,116

Moments in balance C

1.Levers & moments

02

Q1. What is lever? Q3.What is moment? Q4. Explain the difference between a clockwise and an anticlockwise moment. ________________

Pressure & Moments 2. Moments in balance

03

Pressure & Moments

C/W Exp: p#115

Balance & stability

Q1a. p#116. Fred takes Joan's place on see-saw 1. He weighs 300 N. Where should he sit to balance the see-saw? Q3a. p#116. Balance a see-saw depends upon two Things what are they? b. What is the relationship between them? C/W Exp: p#117

1.Conservation of mass (1)

04

Pressure & Moments

2.Pressure & Moments

3.Pressure in gasses 4.Pressure in liquids Activity:

Signature: Samuel Dean

C/W : Conduct Test