Yr-8 Eoy Review Ver 2
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- Pages: 19
Reynella East Schools MYP Science End of Year Review ~ Year 8
Name:
Science Class:
Score: [
] / 95
MULTIPLE CHOICE SECTION Choose the best answer in each of the following questions that makes it correct. Place your choice in the space provided below. [1]
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[1]
************************************************ Betty added iodine to baking soda and starch. She then recorded what she noticed in this table. CHEMICALS TESTED
RESULT
baking soda + iodine
no change
starch + iodine
turns purple
She then added iodine to each of the foods listed below. She recorded what she noticed in the table. TESTED
RESULT
bread + iodine
turns purple
potato iodine
turns purple
lemon + iodine
no change
apple + iodine
no change
Which two foods contain starch? (A)
bread and lemon
(B)
apple and lemon
(C)
lemon and potato
(D)
potato and bread
4833240.doc
1
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[2]
This graph shows how long some animals live. 150 125 100 75 50 25 0
turtle human sparrow
dog
trout Animal
Which animal lives longer than humans? (A)dog [3]
(B)
turtle
(C)
sparrow
(D)
trout
COMPOSITION OF THE EARTH'S ROCKS ELEMENT
PERCENTAGE
oxygen
46.6
other elements
17.6
aluminium
8.1
silicon
?
What percentage of the Earth's rocks is silicon? (A) 25.7% [4]
(B)
27.7%
(C)
54.7%
(D)
72.3%
A student has a carton of milk, which has nearly 40 millilitres of milk left. Which container should the student use to measure this volume of milk most accurately?
4833240.doc
2
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[5]
Vitamins in Food
Which combination of foods would increase the amount of vitamins B1 and C in a person’s diet?
[6]
[7]
(A)
tomatoes and eggs
(B)
capsicum and yeast
(C)
oranges and soybeans
(D)
soybeans and milk
Four different objects are weighed on some scales.
Here are some facts about melting. o o o
A candle melts in hot water but not at room temperature Ice melts at room temperature The metal lead does not melt in hot water but melts in a hot oven
In what order will these substances melt, starting from the substance that melts at the lowest temperature? (A)
ice, lead, candle
(B)
ice, candle, lead
(C)
lead, candle, ice
(D)
candle, lead, ice
4833240.doc
3
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[8]
This graph shows the temperature changes in a small rock pool.
Between which times did the temperature increase most rapidly? (A) (C) [9]
noon and 4 pm 4 am and 8 am
(B) (D)
4 pm and 8 pm 8 am and noon
Nancy planted three bean seeds in each of two pots. She watered one pot with tap water and the other pot with an equal amount of salty water. The graph below shows the growth of the seeds Nancy planted.
4833240.doc
4
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[10]
This table contains some information about five planets.
[11]
Morag wanted to find out if plants grow better with fertiliser. She planted some plants in pots.
4833240.doc
5
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[12]
Each of these sets of scales is balanced.
[13]
4833240.doc
6
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[14]
[15]
This diagram shows how some parts of the body use vitamins.
What is the length of this shell from X to Y?
4833240.doc
7
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[16] Sherbet can be made from a mixture of icing sugar, bicarbonate of soda, tartaric acid and potato starch. When you put this mixture on your tongue the sherbet fizzes. This is because bubbles of gas are produced when then sherbet becomes wet. Four students each made some sherbet using different recipes. The recipes and the fizziness that resulted are shown below.
Increasing the amounts of two of these ingredients together increases the fizziness of the sherbet. Which two ingredients cause the fizziness? (A)
potato starch and icing sugar
(B)
tartaric acid and potato starch
(C)
icing sugar and bicarbonate of soda
(D)
tartaric acid and bicarbonate of soda
[17] Body Temperature of a Lizard This graph shows the air temperature and the body temperature of a lizard during one day in spring. The graph also shows what the lizard was doing during the day.
From the graph, which of these has the greatest effect on the lizard’s body temperature? (A)
air temperature
(B)
sheltering
(C)
sunlight
(D)
feeding
4833240.doc
8
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[18]
The table shows the tests used to identify different chemicals in food.
[19]
The diagram shows a pulley system.
[20]
This table shows, which gases explode when they are mixed together next to a flame.
4833240.doc
9
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[21]
[22]
[23]
Composition of Peanut Butter
The diagram of the balloon rocket below shows the direction and size of the forces pushing outwards on the inside of the inflated balloon. The air pushes outwards equally in all directions against the rudder.
Deduce the direction and speed of gears
4833240.doc
10
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[24]
Use the information below.
Which two containers best indicate which material was the better insulator? (A)
1 and 2
(B)
2 and 3
(C)
3 and 4
(D)
4 and 1
[25] Deduce the reason for an action using information in a food chain
4833240.doc
11
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[26]
[27]
[28]
The sun is so bright and hot because it is A.
the largest star
B.
the hottest star
C.
the nearest star
D.
the brightest star
The number of known elements is about A.
35
B.
115
C.
750
D.
thousands
Four-fifths of air is the gas A. D.
[29]
[30]
[31]
[32]
[33]
[34]
[35]
hydrogen nitrogen
B. E.
oxygen carbon dioxide
C.
argon
The spin of the earth on its axis causes A.
the seasons
B.
day and night
C. E.
the phases of the moon moonlight
D.
sunlight
A fully wound watch spring would possess A.
kinetic energy
B.
chemical energy
C.
potential energy
D.
thermal energy
E.
electrical energy
To separate sand from a sample of seawater you could A.
distil the sample using a condenser
B.
C.
filter the sample and collect the residue D.
add another liquid that will dissolve the sand evaporate off the water
The correct formula for water is A.
HO
B.
HO2
C.
H2O
D.
H2O2
Which of the following is not a physical change? A.
melting ice-cream
B.
boiling water
C.
expanding metal
D.
burning toast
At a certain temperature a solution is saturated if it A.
contains plenty of solute
B.
has been thoroughly shaken
C.
will not dissolve more solute
D.
has undissolved solute present
The undissolved material left in a filter paper after filtration is called the
4833240.doc
12
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[36]
A.
filtrate
B.
solvent
C.
residue
D.
solution
A bunsen burner with the air-hole closed, shows A. B. C. D.
[37]
[38]
[39]
[40]
[41]
[42]
an invisible, very hot flame, except for a small blue cone of partly burnt gas a bright yellow flame, with carbon particles a very hot yellow flame an invisible flame with some carbon particles
Which would require the most energy? A.
Riding a bicycle on level ground
B.
Riding a bicycle up a hill
C.
Walking
D.
Doing your homework
As a go-cart is pulled up a hill, what energy is gradually increasing? A.
Chemical
B.
Kinetic
C.
Potential
D.
Sound
The same energy change occurs in a person running, a car engine and a coal-burning power station. Which change is it? A.
Kinetic into electrical energy
B.
Heat into chemical energy
C.
Nuclear into heat energy
D.
Chemical into kinetic energy
In any energy change some energy is always wasted as – A.
Potential energy
B.
Heat energy
C.
Sound energy
D.
Kinetic energy
A student on an excursion to the beach sees an animal on the rocks. Which characteristic would be most useful in classifying the animal? A.
What food it eats
B.
Whether it has a backbone
C.
Its colour
D.
Whether it is a male or female
Which of the following lists of planets is not in the correct order? A. B. C. D.
Mercury – Venus – Earth – Mars Jupiter – Saturn – Uranus – Neptune Mars – Jupiter – Saturn – Uranus Venus – Mars – Earth – Jupiter
[43]
From ancient Greek times until the 17th century, most people believed that A. The sun was the centre of the solar system B. All planets revolved around Jupiter C. The Earth was the centre of the solar system D. The nine planets revolved around the sun
[44]
A car is travelling along a flat road when its engine stops. It slows down and stops. Which one of the following could explain this? 4833240.doc
13
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[45]
A.
Gravity caused the car to stop
B.
Friction caused the car to stop
C.
The car just stopped naturally
D.
The car ran out of force
A basketball player looks up to see a ball coming straight for her. She immediately raises her arm to catch the ball. Which way does the nerve message go? A.
Eyes – brain – muscles in arm
B.
Arm – brain – muscles in arm
C.
Eyes – muscles in arm – brain
D.
Brain – eyes – muscles in arm
****************************************************** SHORT ANSWER SECTION Confine your answers to the spaces provided. [1]
[2]
In the table below, draw the laboratory equipment indicated. Make sure your diagrams are both neat and accurate: Spatula
Test tube
Beaker
Conical flask
Tripod
Filter funnel
Write E for element, C for compound or M for mixture for the following items: pure water gold
[3]
6
tap water carbon dioxide
6
air cup of coffee
Using the letter P for physical and the letter C for chemical, state whether the changes occurring in each of the situations in the table below are "physical or chemical"? 6 melting ice boiling an egg
[4]
burning toast digestion of food
dissolving salt acid on magnesium
A chef was testing the length of time taken to cook frozen vegetables. She boiled water and when ready, she noted the time carefully. She dropped a quantity of frozen cabbage into the water and 4833240.doc
14
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
recorded the temperature of the water at one (1) minute intervals. She continued this till the water boiled again. Her record is: Time (minutes) Temperature (0C)
0
1
2
3
4
5
6
7
100
70
60
60
75
85
90
100
(a)
Plot the temperature time graph (line graph) and label it “Boiling Frozen Cabbage”. 6
(b)
Explain the graph’s trends.
3
[5] You have learnt this year that one of the critical tools used by a scientist is the “Scientific Method”. 4833240.doc
15
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
With this in mind and along with other skills you have developed this year, you will see below there are two examples of science reports for two different experiments. Read the reports carefully and then answer the questions. Experiment 4
[5] Experiment 16 4833240.doc
16
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
With reference to Experiment 4
[5]
(a)
How could this report have been improved?
(b)
What name is given to
4833240.doc
17
5
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
(i)
the sand that remained behind in the filter paper? 1
(ii)
the colourless sugar solution that passed through the filter paper? 1
(c)
What could have been the hypothesis for this experiment?
1
With reference to Experiment 16
[6]
(c)
Identify five critical errors in this report
5
(d)
Write an appropriate conclusion for this experiment that would give some meaning to the report. 3
Below is a diagram of a microscope. Label the indicated parts (identified by the letters A to G). 7 To assist you is a list of words below – however not all words match – some are more correct than others! 4833240.doc
18
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
EYEPIECE LENS – FOCUSING KNOB – BASE – STAGE – FLOOR – TUBE – MIRROR – LIGHT OBJECTIVE LENSES – ADJUSTING KNOB – ARM – CLAMP – SLIDE HOLDER - THINGY A.
B.
C.
D.
E.
F.
G.
4833240.doc
19
C J Higgs ~ RES ~ 2007
Name:
Science Class:
Score: [
] / 95
MULTIPLE CHOICE SECTION Choose the best answer in each of the following questions that makes it correct. Place your choice in the space provided below. [1]
[
]
[2]
[
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[3]
[
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[4]
[
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[5]
[
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[6]
[
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[45]
[
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[1]
************************************************ Betty added iodine to baking soda and starch. She then recorded what she noticed in this table. CHEMICALS TESTED
RESULT
baking soda + iodine
no change
starch + iodine
turns purple
She then added iodine to each of the foods listed below. She recorded what she noticed in the table. TESTED
RESULT
bread + iodine
turns purple
potato iodine
turns purple
lemon + iodine
no change
apple + iodine
no change
Which two foods contain starch? (A)
bread and lemon
(B)
apple and lemon
(C)
lemon and potato
(D)
potato and bread
4833240.doc
1
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[2]
This graph shows how long some animals live. 150 125 100 75 50 25 0
turtle human sparrow
dog
trout Animal
Which animal lives longer than humans? (A)dog [3]
(B)
turtle
(C)
sparrow
(D)
trout
COMPOSITION OF THE EARTH'S ROCKS ELEMENT
PERCENTAGE
oxygen
46.6
other elements
17.6
aluminium
8.1
silicon
?
What percentage of the Earth's rocks is silicon? (A) 25.7% [4]
(B)
27.7%
(C)
54.7%
(D)
72.3%
A student has a carton of milk, which has nearly 40 millilitres of milk left. Which container should the student use to measure this volume of milk most accurately?
4833240.doc
2
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[5]
Vitamins in Food
Which combination of foods would increase the amount of vitamins B1 and C in a person’s diet?
[6]
[7]
(A)
tomatoes and eggs
(B)
capsicum and yeast
(C)
oranges and soybeans
(D)
soybeans and milk
Four different objects are weighed on some scales.
Here are some facts about melting. o o o
A candle melts in hot water but not at room temperature Ice melts at room temperature The metal lead does not melt in hot water but melts in a hot oven
In what order will these substances melt, starting from the substance that melts at the lowest temperature? (A)
ice, lead, candle
(B)
ice, candle, lead
(C)
lead, candle, ice
(D)
candle, lead, ice
4833240.doc
3
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[8]
This graph shows the temperature changes in a small rock pool.
Between which times did the temperature increase most rapidly? (A) (C) [9]
noon and 4 pm 4 am and 8 am
(B) (D)
4 pm and 8 pm 8 am and noon
Nancy planted three bean seeds in each of two pots. She watered one pot with tap water and the other pot with an equal amount of salty water. The graph below shows the growth of the seeds Nancy planted.
4833240.doc
4
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[10]
This table contains some information about five planets.
[11]
Morag wanted to find out if plants grow better with fertiliser. She planted some plants in pots.
4833240.doc
5
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[12]
Each of these sets of scales is balanced.
[13]
4833240.doc
6
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[14]
[15]
This diagram shows how some parts of the body use vitamins.
What is the length of this shell from X to Y?
4833240.doc
7
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[16] Sherbet can be made from a mixture of icing sugar, bicarbonate of soda, tartaric acid and potato starch. When you put this mixture on your tongue the sherbet fizzes. This is because bubbles of gas are produced when then sherbet becomes wet. Four students each made some sherbet using different recipes. The recipes and the fizziness that resulted are shown below.
Increasing the amounts of two of these ingredients together increases the fizziness of the sherbet. Which two ingredients cause the fizziness? (A)
potato starch and icing sugar
(B)
tartaric acid and potato starch
(C)
icing sugar and bicarbonate of soda
(D)
tartaric acid and bicarbonate of soda
[17] Body Temperature of a Lizard This graph shows the air temperature and the body temperature of a lizard during one day in spring. The graph also shows what the lizard was doing during the day.
From the graph, which of these has the greatest effect on the lizard’s body temperature? (A)
air temperature
(B)
sheltering
(C)
sunlight
(D)
feeding
4833240.doc
8
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[18]
The table shows the tests used to identify different chemicals in food.
[19]
The diagram shows a pulley system.
[20]
This table shows, which gases explode when they are mixed together next to a flame.
4833240.doc
9
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[21]
[22]
[23]
Composition of Peanut Butter
The diagram of the balloon rocket below shows the direction and size of the forces pushing outwards on the inside of the inflated balloon. The air pushes outwards equally in all directions against the rudder.
Deduce the direction and speed of gears
4833240.doc
10
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[24]
Use the information below.
Which two containers best indicate which material was the better insulator? (A)
1 and 2
(B)
2 and 3
(C)
3 and 4
(D)
4 and 1
[25] Deduce the reason for an action using information in a food chain
4833240.doc
11
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[26]
[27]
[28]
The sun is so bright and hot because it is A.
the largest star
B.
the hottest star
C.
the nearest star
D.
the brightest star
The number of known elements is about A.
35
B.
115
C.
750
D.
thousands
Four-fifths of air is the gas A. D.
[29]
[30]
[31]
[32]
[33]
[34]
[35]
hydrogen nitrogen
B. E.
oxygen carbon dioxide
C.
argon
The spin of the earth on its axis causes A.
the seasons
B.
day and night
C. E.
the phases of the moon moonlight
D.
sunlight
A fully wound watch spring would possess A.
kinetic energy
B.
chemical energy
C.
potential energy
D.
thermal energy
E.
electrical energy
To separate sand from a sample of seawater you could A.
distil the sample using a condenser
B.
C.
filter the sample and collect the residue D.
add another liquid that will dissolve the sand evaporate off the water
The correct formula for water is A.
HO
B.
HO2
C.
H2O
D.
H2O2
Which of the following is not a physical change? A.
melting ice-cream
B.
boiling water
C.
expanding metal
D.
burning toast
At a certain temperature a solution is saturated if it A.
contains plenty of solute
B.
has been thoroughly shaken
C.
will not dissolve more solute
D.
has undissolved solute present
The undissolved material left in a filter paper after filtration is called the
4833240.doc
12
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[36]
A.
filtrate
B.
solvent
C.
residue
D.
solution
A bunsen burner with the air-hole closed, shows A. B. C. D.
[37]
[38]
[39]
[40]
[41]
[42]
an invisible, very hot flame, except for a small blue cone of partly burnt gas a bright yellow flame, with carbon particles a very hot yellow flame an invisible flame with some carbon particles
Which would require the most energy? A.
Riding a bicycle on level ground
B.
Riding a bicycle up a hill
C.
Walking
D.
Doing your homework
As a go-cart is pulled up a hill, what energy is gradually increasing? A.
Chemical
B.
Kinetic
C.
Potential
D.
Sound
The same energy change occurs in a person running, a car engine and a coal-burning power station. Which change is it? A.
Kinetic into electrical energy
B.
Heat into chemical energy
C.
Nuclear into heat energy
D.
Chemical into kinetic energy
In any energy change some energy is always wasted as – A.
Potential energy
B.
Heat energy
C.
Sound energy
D.
Kinetic energy
A student on an excursion to the beach sees an animal on the rocks. Which characteristic would be most useful in classifying the animal? A.
What food it eats
B.
Whether it has a backbone
C.
Its colour
D.
Whether it is a male or female
Which of the following lists of planets is not in the correct order? A. B. C. D.
Mercury – Venus – Earth – Mars Jupiter – Saturn – Uranus – Neptune Mars – Jupiter – Saturn – Uranus Venus – Mars – Earth – Jupiter
[43]
From ancient Greek times until the 17th century, most people believed that A. The sun was the centre of the solar system B. All planets revolved around Jupiter C. The Earth was the centre of the solar system D. The nine planets revolved around the sun
[44]
A car is travelling along a flat road when its engine stops. It slows down and stops. Which one of the following could explain this? 4833240.doc
13
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
[45]
A.
Gravity caused the car to stop
B.
Friction caused the car to stop
C.
The car just stopped naturally
D.
The car ran out of force
A basketball player looks up to see a ball coming straight for her. She immediately raises her arm to catch the ball. Which way does the nerve message go? A.
Eyes – brain – muscles in arm
B.
Arm – brain – muscles in arm
C.
Eyes – muscles in arm – brain
D.
Brain – eyes – muscles in arm
****************************************************** SHORT ANSWER SECTION Confine your answers to the spaces provided. [1]
[2]
In the table below, draw the laboratory equipment indicated. Make sure your diagrams are both neat and accurate: Spatula
Test tube
Beaker
Conical flask
Tripod
Filter funnel
Write E for element, C for compound or M for mixture for the following items: pure water gold
[3]
6
tap water carbon dioxide
6
air cup of coffee
Using the letter P for physical and the letter C for chemical, state whether the changes occurring in each of the situations in the table below are "physical or chemical"? 6 melting ice boiling an egg
[4]
burning toast digestion of food
dissolving salt acid on magnesium
A chef was testing the length of time taken to cook frozen vegetables. She boiled water and when ready, she noted the time carefully. She dropped a quantity of frozen cabbage into the water and 4833240.doc
14
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
recorded the temperature of the water at one (1) minute intervals. She continued this till the water boiled again. Her record is: Time (minutes) Temperature (0C)
0
1
2
3
4
5
6
7
100
70
60
60
75
85
90
100
(a)
Plot the temperature time graph (line graph) and label it “Boiling Frozen Cabbage”. 6
(b)
Explain the graph’s trends.
3
[5] You have learnt this year that one of the critical tools used by a scientist is the “Scientific Method”. 4833240.doc
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C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
With this in mind and along with other skills you have developed this year, you will see below there are two examples of science reports for two different experiments. Read the reports carefully and then answer the questions. Experiment 4
[5] Experiment 16 4833240.doc
16
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
With reference to Experiment 4
[5]
(a)
How could this report have been improved?
(b)
What name is given to
4833240.doc
17
5
C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
(i)
the sand that remained behind in the filter paper? 1
(ii)
the colourless sugar solution that passed through the filter paper? 1
(c)
What could have been the hypothesis for this experiment?
1
With reference to Experiment 16
[6]
(c)
Identify five critical errors in this report
5
(d)
Write an appropriate conclusion for this experiment that would give some meaning to the report. 3
Below is a diagram of a microscope. Label the indicated parts (identified by the letters A to G). 7 To assist you is a list of words below – however not all words match – some are more correct than others! 4833240.doc
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C J Higgs ~ RES ~ 2007
Reynella East Schools MYP Science End of Year Review ~ Year 8
EYEPIECE LENS – FOCUSING KNOB – BASE – STAGE – FLOOR – TUBE – MIRROR – LIGHT OBJECTIVE LENSES – ADJUSTING KNOB – ARM – CLAMP – SLIDE HOLDER - THINGY A.
B.
C.
D.
E.
F.
G.
4833240.doc
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C J Higgs ~ RES ~ 2007
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