Thermal insulators…

• do not allow heat to pass through easily.

• allow heat to pass through easily.

• keep heat contained but don't keep things warm.

• do not keep heat contained and allow things to cool.

Tags

NGSS.MS-PS3-3

An example of an electrical conductor is….

• copper
• plastic
• wood
• rubber

Materials that dissolve are:

• insoluble
• soluble
• a solution
• a solvent

When solid particles mix with the particles of a liquid, this is called…

• evaporation
• filtering
• dissolving
• sieving

A synonym for the word ‘permeable’ is...

• waterproof
• absorbent
• magnetic
• transparent

What is the scientific name for turning water vapour into water.

• evaporation
• melting
• freezing
• condensation

Tags

NGSS.MS-ESS2-4

What would be the most efficient method of seperating sand and water?

• filtering
• sieving
• evaporating
• stirring

What would be the most efficient method of seperating rice and water?

• filtering
• sieving
• evaporating
• stirring

Which of these is an example of a reversible change?

• Frying an egg.
• Baking a cake.
• Making ice cubes out of pure water.
• Mixing bicarbonate of soda and vinegar.

Which of these is an example of an irreversible change?

• Mixing coins and water.
• Mixing paper clips and sand.
• Mixing sugar and water.
• Baking a cake

Tags

NGSS.MS-PS1-2