Practice Test Unit 2 G5 Science

 

When a solid changes into a liquid, it is called _________

• Melting

• Freezing

• Condensation

• Evaporation

 

When a liquid changes into a gas, it is called _________

• Melting

• Freezing

• Condensation

• Evaporation

 

When a liquid changes into a solid, it is called _________

• Melting

• Freezing

• Condensation

• Evaporation

Match the following:

• boiling point of a water

• 
• solute

• 
• electrical conductors

• 
• Irreversible change

• 
• conduction

• 

Thermal conductors are materials and substances that do not conduct heat well. 

• TRUE

• FALSE

The insulator is a material that does not allow electricity to pass through it. 

• TRUE

• FALSE

Diamonds are the best electrical conductor. 

• TRUE

• FALSE

Gold and aluminum are good conductors of heat. 

• TRUE

• FALSE

Dissolving and melting are the same thing. 

• TRUE

• FALSE

An example of a physical change of a material is tearing a piece of paper. 

• TRUE

• FALSE