4Q- SCIENCE AND MATH

.......... is made of 2 or more kind of matter

• Mixture

• Evaporate

• Physical change

Matter changes but does not become a new kind of matter.

• Physical Change

• Mixture

• Evaporate

To change from a liquid to a gas

• Physical change

• Mixture

• Evaporate

When water changes from ......... to ........, It becomes ice.

• a liquid - a gas

• a liquid - a solid

• a solid to a liquid

When water vapor cools down, it changes from a ..... to a ......

• gas - liquid

• liquid - gas

• solid - liquid

The water takes the same shape in each container.

Is It true or false?

• True

• False

John has just turned 2 years and 5 months old. How many months ago was he born?

• 29 months

• 28 months

• 30 months

What is sound?

• a kind of energy

• How high or low a sound is

• move quickly back and forth

What is pitch ?

• a kind of energy

• how high or low a sound is

• move slowly

High pitch:

• an object vibrates quickly

• an object vibrates more slowly