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Changing state

Total questions: 22

Worksheet time: 17mins

Name
Class
Date
1.

The mixture of gases around you is called...

a)

air

b)

liquid

c)

diesel

d)

gas

2.

The melting point of ice is .....

a)

00 C

b)

1000 C

c)

40 C

d)

280 C

3.

If a gas cools down it changes into a liquid in a process called.....

a)

condensation

b)

evaporation

c)

Boiling

d)

Freezing

4.

The temperature of the remaining liquid drops during this process.No bubbles are formed, it takes place any temperature. This process is....

a)

Boiling

b)

Evaporation

c)

Condensation

d)

Subliming

5.

Water in the gaseous state is....

a)

water vapour

b)

Ice

c)

gas

d)

dewdrops

6.

When liquid watergains heat. its temperture ......

a)

rises

b)

decrease

c)

down

d)

same

7.

The boiling point of water is

a)

00 C

b)

1000 C

c)

320 C

d)

40 C

8.

How quickly evaporation takes place is called

a)

The rate of evaporation

b)

Boiling point

c)

Melting point

d)

Freezing point

9.

What happen if you cool a liquid down until it is below its freezing point?

a)

It changes into a solid

b)

It changes into liquid

c)

it changes into a gas

d)

It changes into water vapour

10.

Is the substance gaining or losing energy?

a)

Gaining

b)

Losing

11.

What state/phase is the object likely to be in from points A to B?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

12.
If this ice cream scoop melts, what will change?
a)
color
b)
shape
c)
flavor
13.
A puddle of water seemed to disappear. The heat caused the water to -
a)
melt
b)
condense
c)
evaporate
d)
cool
14.
The steam coming off the pot of boiling water is an example of....
a)
a solid becoming a liquid
b)
a liquid becoming a solid
c)
a liquid becoming a gas
d)
a gas becoming a liquid
15.
Which state of matter does ice start as (before you cool it)?
a)
liquid
b)
solid
c)
gas
16.
Volume is.....
a)
the weight of an object
b)
the gravity of an object
c)
how much space an object takes up
d)
measured with a balance scale
17.
What is matter?
a)
Anything that has mass and volume
b)
The shape of an object
c)
How much an object weighs
d)
The pull of objects on one another
18.
Which state of matter has a definite shape?
a)
Gas
b)
Solid
c)
Liquid
d)
Plasma
19.
The molecules in a gas....
a)
are tightly packed
b)
slide past one another in a flowing manner
c)
vibrate, move freely, and spread
d)
are in a regular pattern
20.
Liquids....
a)
have a definite shape
b)
are always clear
c)
take the shape of their container
d)
are not matter
21.
A solid changing to a liquid is...
a)
melting
b)
freezing
c)
condensing
d)
evaporating
22.
Evaporation is
a)
Gas changing to a liquid
b)
Solid changing to a liquid
c)
Liquid changing to a solid
d)
Liquid changing to a gas

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