Year 8 Science Week 1 Quiz
Year 8 Science Week 1 Quiz
Test your knowledge of the physical and chemical properties of matter with our engaging Year 8 Science Week 1 Quiz! This quiz covers fundamental concepts, ensuring a rewarding learning experience.
- Multiple choice questions
- Understand physical and chemical changes
- Explore particle behavior in different states
A physical change means: (select all that apply)
No new substance is formed
A new substance is formed
The substance changes shape
The substance changes state
When solids, liquids or gases are heated, the particles:
Contract
Melt
Expand
Evaporate
When a solid, liquid or gas is cooled, the particles:
Expand
Contract
Freeze
Vibrate more
When a substance is heated:
The density Increases and volume decreases
The density Decreases and volume increases
The density and volume stay the same
The density and volume both increase
When a substance is cooled:
The density Increases and volume decreases
The density Decreases and volume increases
The density and volume stay the same
The density and volume both increase
Hot air is much less dense than cold air
True
False
What is the name of the process where a substance goes from a solid to a gas?
Depositon
Solidification
Sublimination
Evaporation
Which of the following is not an example of a chemical change?
Mixing two paints together
Burning toast
Baking a cake
An egg becoming rotten
An exothermic reaction:
Exits the substance
Produces a liquid
Absorbs energy
Releases energy
An endothermic reaction:
Enters the substance
Makes the object hot
Absorbs energy
Releases energy
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