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Remedial gr.7

Total questions: 15

Worksheet time: 21mins

Name
Class
Date
1.

Check all the daily examples of melting

a)

water droplet on cold drink

b)

ice cream in the beach

c)

burning candle

d)

colored candy in hot water

e)

making an ice cube

2.

Check all the true statements for "heating curve"

a)

it moves downward ↘

b)

it moves upward ↗

c)

it has boiling point

d)

it has freezing point

e)

there is condensation process

3.

Which of these can be found in "cooling curve"?

a)

Melting

b)

Melting point

c)

Condensation point

d)

Boiling

4.

(a)   is a change that happens from gas to solid.

5.

Particles movement from area with higher concentration to lower concentration is called...

a)

Diffusion

b)

Melting

c)

Deposition

d)

Dissolving

6.

The particle arrangement in a (a)   is slightly loose, so the particle can slide over one another

7.

Check all that happened in your diffusion experiment

a)

Melting

b)

Diffusion

c)

Evaporation

d)

Sublimation

8.

The slant sections of heating/cooling curve is showing...

a)

the process

b)

temperature

c)

time

d)

states

9.

The change from gas to liquid is called...

a)

Condensation

b)

Deposition

c)

Crystallization

d)

Freezing

10.

A matter that has definite shape and volume is...

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

11.

When you enter a coffee shop, cafe, or a restaurant, sometime you can smell what they are making.

What caused this happen? (answer in 1 word)

(a)  

12.

What is the state of a salt?

(a)  

13.

Melting is a change from

a)

Solid to liquid

b)

Liquid to solid

c)

Solid to gas

d)

Liquid to gas

e)

Gas to solid

14.

Check for the changes that require energy.

a)

Melting

b)

Freezing

c)

Condensation

d)

Deposition

e)

Evaporation

15.

The particles arrangement of a state will become more compact (or packed closer) after...

4 lines