y7 matter

1.

1 point

Strips of foam rubber are sometimes used between sections of footpath or driveways because of:

condensation

diffusion

contraction

expansion

2.

1 point

The 'fog' on a car windscreen is due to

sublimation

evaporation

condensation

diffusion

3.

1 point

Which of the following is an example of solidification

Water turns to steam as an electric jug boils.

Wax runs down the side of a candle and sets on the table.

An ice cube turns to water in a glass of lemonade.

A bathroom mirror fogs up when you take a shower.

4.

1 point

What is the density of a piece of glass with a mass of 24grams if its volume is 8 cubic centimetres?

192

6

24

3

5.

1 point

Which of the following is a different substance (contains different types of particles) to the others?

air

steam

water

ice

6.

1 point

Evaporation is

when small bubbles begin to appear in a liquid

the same as solidification

something that happens to gases

another term for vaporisation

7.

1 point

which of the following is most likely to crack a glass dish?

placing it underwater in a sink full of hot water

allowing it to float on hot water whilst runnin cold water on top of it

singing in a high pitched voice whilst you wash it

holding it and running hot water over one side only

8.

1 point

As an object is heated, its particles

shrink in size so the gaps between them increase.

attract each other more, causing contraction

vibrate less rapidly and cause it to contract

vibrate more rapidly and cause it to expand

9.

1 point

The melting point of a substance is the

place where it is when it melts.

temperature at which a substance begins to melt

part of an object that first turns to liquid

time taken for a substance to fully melt

10.

1 point

Which of the following are difficult to compress?

solids and liquids

liquids and gases

solids and gases

solids only

11.

1 point

An object will float if its density is

higher than that of the liquid it is in

lower than that of the liquid it is in

the same as that of the liquid it is in

less than 1

12.

1 point

The boiling point of water at sea level is

100 degrees celsius

0 degrees celsius

20 degrees celsius

1000 degrees celsius

13.

1 point

At which of the following temperatures is a given amount of water the most expanded?

zero degrees celsius

3 degrees celsius

2 degrees celsius

1 degree celsius

14.

1 point

identify the correct statement

a copper coin has the same density as a copper cube

a large piece of copper is denser than a small piece of copper

lead has a lower density than water

a solid has a higher density than any type of liquid

15.

1 point

Matter is anything that:

is solid

takes the shape of its container

can be seen

has mass and takes up space