Chapter 4 Variety Of Resources On Earth

Form 1 Science Chapter 4

FORM 1 CHAPTER 4 VARIETY OF RESOURCES ON EARTH 1. Diagram 1 shows the arrangement of particles in three different types of matter, P, Q and R. P

Q

R

Diagram 1 (a) Label P, Q and R with the following words. Mixture

Compound

Element [3 marks]

(b) Draw lines to match the following mixtures to the method of separating the mixture. Draw the lines as shown below. Method of separation

MIxture

By distillation

Petrol and water

By magnetic attraction Sulphur and iron filings By using a separating funnel Sand and water By filtration

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Form 1 Science Chapter 4

2. Diagram 2.1 shows an activity carried out by a student using sulphur powder and iron filings.

Iron filings

M

Sulphur powder

(a) Substance M is formed when iron filings and sulphur Diagram 2.1 powder are mixed together. What Is substance M? ……………………………………………………………………………………………………… [1 mark] (b) How can you separate the iron filings from the sulphur powder in M? ……………………………………………………………………………………………………….. [1 mark]

M

Diagram 2.2a new substance, N is formed. What is (c) M is then heated as shown in Diagram 2.2 and N? ………………………………………………………………………………………………………… [1 mark] (d) State two properties of N. (i) (ii)

……………………………………………………………………………………………… ……. ……………………………………………………………………………………………… ……. [2 marks]

(e) State one difference between substance M and substance N. ………………………………………………………………………………………………………

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Form 1 Science Chapter 4

……………………………………………………………………………………………………… [1 mark] 3. Diagram 3 shows some resources on Earth.

RESOURCES ON EARTH

R …………………………….

P: …………………………….

Q ……………………………. Diagram 3 (a) Name resources P, Q and R on Diagram 3. [3 marks] (b) State one importance of R: ……………………………………………………………………………………………………. Q: ……………………………………………………………………………………………………. [2 marks] (c) Plants need R to live. Name another resource that plants need to live. ……………………………………………………………………………………………………….. [1 mark]

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Form 1 Science Chapter 4

4. Diagram 4 shows some methods of separating mixtures.

P: ……………………………

Q: …………………………….

R: ……………………………

Diagram 4 (a) Label P, Q and R on Diagram 4 using the following words. Distillation

Separating funnel

Filtration [3 marks]

(b) Draw lines to match to P, Q, and R to their uses. Method

Use

P

To separate a liquid from a solution

Q

To separate two immiscible liquids

R

To separate a solid from a liquid

[3 marks] (c) How is salt obtained from sea water? ……………………………………………………………………………………………………… JPN Pahang 2009

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Form 1 Science Chapter 4

[1 mark] 5. Diagram 5.1 shows pictures of three different substances, P, Q and R. P

Q

Water

R

Copper wire

Soil

Diagram 5.1 (a) On Diagram 5.1, label P, Q and R with the following words. Mixture

Compound

Element [3 marks]

(b) Based on Diagram 5.1, which substance can only be separated by chemical method? ……………………………………………………………………………………………………… [1 mark] (c) Copper is a metal. State one property of metal. ……………………………………………………………………………………………………… [1 mark] (d) Diagram 5.2 shows the arrangement of the particles of substances K and L.

L

K Diagram 5.2

Based on Diagram 5.2, give one example of substance K and L. (i)

Substance K: …………………………………………………………………………… ……

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Form 1 Science Chapter 4

(ii)

Substance L:…………………………………………………………………………… …….. [2 marks]

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