Daily Science 23

Question 1

Force that slows or stops motion

Answer 1

Friction

Question 2

Carrying away of rocks and soil is called

Answer 2

Erosion

Question 3

Fact or opinion

All scientists should be women.

Answer 3

Opinion

Question 4

Fact or opinion

Trees need sunlight to grow.

Answer 4

Fact

Question 5

Fact or opinion

Science is easier than math.

Answer 5

Opinion

Question 6

Fact or opinion

Cats are better pets than goldfish.

Answer 6

Opinion

Question 7

Name 4 types of pollution.

Answer 7

Land
Water
Air
Noise

Question 8

The ability to do work.

Answer 8

Energy

Question 9

Would a hot air ballon pilot heat or cool the air in the balloon to make it rise? Explain

Answer 9

He heats the air, as the air warms it becomes less dense. The cool air sinks under the warm air and the balloon rises.

Question 10

Soil is an important part of any environment. What items would be affected if the soil were polluted.

Answer 10

Plants
People
Animals
Water

Question 11

Moving energy

Answer 11

Kinetic energy

Question 12

Name 3 changes (adaptations) that a polar bear would need to live in a desert.

Answer 12

Thinner coat
Hold water for a long time
Change color