Year 7 Matter Quiz

what is the surface tension difference between the salty and normal water?

• The surface tension of the salty water is higher than the plain water

• The surface tension of the salty water is lower than the plain water

• the surface tension of the salty water has no surface tension

• the surface tension of the salty water is the same as the plain water

What is another word for heat energy?

• Chemical

• Thermal

• Electrical

• Kinetic

What is it called when a liquid turns into a gas?

• Sublimation

• Melting

• Evaporation

• Expansion

Why does lead let out more water out of a eureka can than aluminum?

• Because it's more dense

• Because it is stinkier than aluminium and the water runs away

• Because it is more solidified than aluminium

• Lead is lighter than aluminium

What is it called when a liquid turns into a solid?

• Melting

• Solidification

• Condensation

• Evaporation

what is it called when two thins of the same particles are attracted to each other?

• Cohesion

• Adhesion

• Love

• Monke

What happens to the particles in a solid when energy is added?

• Nothing

• They disappear

• They expand and get bigger

• They move more

How distanced are the Gas particles.

• Compact

• A little spread out

• Far apart

• Particles

What is it called when a liquid turns into a gas?

• Evaporation

• Expansion

• Condensation

• Energy

What happens when particles are compressed?

• Air pressure rises

• Air pressure falls

• They break

• They disappear