Science

Changes that insect undergo is call ________

• alteration

• Prevalent

• metamorphosis

• undergrowth

The following insect undergo complete metamorphosis except ?

• houseflies

• mosquitoes

• butterflies

• cockroach

When ice cream becomes liquid on hot day it is …

• cooling

• solidifying

• melting

• freezing

We can show the process of melting like this:

• gas- heat liquid

• solid + heat liquid

• gas - heat liquid

• liquid + heat solid

Solids melt because …

• solids cannot keep their shape when heated.

• their particles gain energy and break away from the solid.

• their particles are not moving fast enough to stay in the solid.

• new liquid particles form when the solid is heated.

Children have how many set of teeth?

• 20

• 42

• 52

• 32

The opposite of ice melting is …

• thawing

• cooling

• solidifying

• flowing

The boiling point of water is _________

• 0℃

• -5℃

• 100℃

• 37℃

Materials that take up the same amount of space and still retain their shape are

• solids

• liquids

• gas

• plasma