Science Grade 4 Unit 3

Match the particle models

• Liquid

• 
• Solid

• 
• Gas

• 

Do the particles in gas, solid or quid have the most energy? Order them from having the most energy to the least energy

• Liquid

• Solid

• Gas

In a liquid, the particles move freely and quickly.

• TRUE

• FALSE

In a solid, the particles vibrate in one place.

• TRUE

• FALSE

The states of matter have different structures and properties.

• TRUE

• FALSE

Hydrogen and helium are the gases found in the air.

• TRUE

• FALSE

What temperature is the boiling point of water?

• 100 degrees Celsius

• 0 degree Celsius

• 150 degrees Celsius

• 110 degrees Celsius

What temperature is the melting point of water?

• 100 degrees Celsius

• 0 degree Celsius

• -10 degrees Celsius

A substance changes from liquid to gas at ​​ (a)   .

A substance changes from solid to liquid at ​ (b)   .

• boiling point
• melting point

Complete the diagram of water cycle

• Precipitation

• C

• Condensation

• A

• Evaporation

• B