B.S.T Year 4 Final Revision (2nd Term)

The state of matter that changes its state from solid to liquid is referred to as

• Freezing

• Boiling

• Melting

• Cooking

Evaporation is-

• The changes to water as it moves up in the air and then back down to Earth's surface

• The changing of water vapor to liquid water

• The changing of water from liquid to a gas

• The star at the center of the Solar System that supplies heat and light to Earth

Precipitation happens when clouds of water droplets are too ______________.

• cold
• light
• heavy
• hot

The movement of water from the surface of Earth into the air and back

• water cycle

• precipitation

• evaporation

• condensation

Rain, snow, sleet, or hail that falls from clouds in the sky

• Precipitation

• Condensation

• Sun

• Evaporation

What part of the water cycle does this picture show?

• condensation
• precipitation
• evaporation

What part of the water cycle does this picture show?

• condensation
• precipitation
• evaporation

What is the main source of energy for the water cycle?

• Clouds

• Ocean

• Water

• Sun

Is this a mixture or a solution?

• Mixture

• Solution

Are all mixtures solutions?

• Yes

• No