Science Grade 4

When the paper burns, it will turn to ______________

• black

• melt

• ash

• coal

Water turns into ice when it is ___________

• heated

• cooled

• melt

• low temperature

Wood burns when it is ___________

• heated

• cooled

• lose heat

• freeze

Gold has ____________ changes when it is heated.

• permanent

• lose heat

• gain heat

• temporary

The wax turned into a liquid and then ____________

• back into a solid

• become permanent

• it couldn't back to original form

• lose heat

Freezing is _______________

• process of changing solid into liquid

• process of changing permanent substance

• process of changing a liquid into solid

• process of changing liquid into solid

Melting is __________________________

• the process of changing solid into liquid

• the process of changing permanent substance

• the process of changing liquid into solid

• the process of changing temporry substance

The temperature will start to _____________ when the crushed ice melts.

• decrease

• increase

• lose heat

• reduce

When plastic burns, a new __________ is form.

• material

• substance

• temporary

• permanent

Liquid wax is in a different ________ from solid wax.

• substance

• temporary

• state

• permanent