Use particle theory to explain why liquids can flow?

Important Questions on Elements, Compounds and Mixtures

EASY

Lower Secondary Stage 8

IMPORTANT

Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 1>Q 4

Use particle theory to explain why gases do not have a fixed shape or volume?

EASY

Lower Secondary Stage 8

IMPORTANT

Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 2>Q 5

Name the changes in state where the particles gain kinetic energy.

EASY

Lower Secondary Stage 8

IMPORTANT

Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 2>Q 5

Name the changes in state where the particles lose kinetic energy.

EASY

Lower Secondary Stage 8

IMPORTANT

Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 2>Q 6

Use particle theory to explain what happens when steam cools down to form water.

EASY

Lower Secondary Stage 8

IMPORTANT

Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Exercise 2>Q 6

Use particle theory to explain what happens when liquid water changes into ice.

EASY

Lower Secondary Stage 8

IMPORTANT

Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Using particle theory to explain gas pressure>Q A1

Your teacher will give you a container with some small balls in it. This is a model, and the balls represent gas particles. Shake the container, so the balls move around. What do you observe?

EASY

Lower Secondary Stage 8

IMPORTANT

Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Using particle theory to explain gas pressure>Q A2

Your teacher will give you a container with some small balls in it. This is a model, and the balls represent gas particles. Use the model to show what happens to gas pressure when the number of gas particles in the container changes.

EASY

Lower Secondary Stage 8

IMPORTANT

Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 4 - Elements, Compounds and Mixtures>Using particle theory to explain gas pressure>Q A2

Your teacher will give you a container with some small balls in it. This is a model, and the balls represent gas particles. Use the model to show what happens to gas pressure when the temperature of the gas changes?