Waid Academy Science Particles: Solids, Liquids & Gases
Which of the following is NOT one of the three states of matter? 1.Solid 2.Liquid 3.Gas 4.Air Solid Liquid Gas 10
Solids keep a fixed shape and volume 1.True 2.False 10
Identify the correct fact about liquids 1.Liquids keep the same shape 2.Liquids keep their volume 3.Liquids are clear 4.You can see through a liquid 15
When liquid water in a kettle boils to form steam this is known as… 1.Melting 2.Freezing 3.Evaporating 4.Condensing 10
25 cm 3 of dried peas and 25 cm 3 of sand are added together. What might the final volume be? 1.Exactly 50 cm 3 2.Less than 50 cm 3 3.More than 50 cm 3 4.Exactly 25 cm 3 15
What does diffusion mean? 15 1.A substance taking up more room when it is heated 2.A substance taking up less room when it is cooled 3.Movement of one substance through another. 4.A liquid changing into a solid
Why is diffusion quicker in gases than in liquids? 10 1.Gas particles have big spaces between them & move faster 2.Gas particles have small spaces between them & move faster 3.Gas particles have big spaces between them & move slower 4.Gas particles have small spaces between them and move slower
Expansion in a solid, liquid or gas happens when the substance is… 1.Pulled 2.Pushed 3.Cooled 4.Heated 10
Why do railway lines have small gaps between the rails? 1.So that they can contract in the heat 2.So that they can expand in the heat 10
Why are telephone lines put up slack on a hot summer day? 1.They would expand & snap in hot weather 2.They would contract & snap in hot weather 3.They would contract & snap in cold weather 4.They would expand & snap in cold weather 15