Living Environment
Chemistry
Physics
Earth Science 1
Earth Science 2
100

Name the two organ systems responsible for locomotion that are controlled by the nervous system

skeletal and muscular

100

To make sugar dissolve faster in water, you can 

stir it, heat it, or add more water

100

Where is a magnet the strongest?

at the poles

100

The boundary between a warm and a cold air mass is called

a front

100

How long does it take for the Earth to make one complete rotation?

24 hours or one day

200

What happens when a person consumes more calories than the body can use?

weight gain

200

Compared to particles in a liquid, particles in a solid move

slower

200

A seesaw is what type of simple machine?

a lever

200

What causes the movement of air masses over the United States?

winds and air currents

200

How long does it take the Earth to make one complete revolution around the sun?

one year

300

What nutrient is needed for growth and repair of body tissues?

protein

300

Elements on the Periodic Table are arranged according to their

atomic number

300

Why will a ball rolling eventually stop?

friction will stop it

300

Which Earth layer contains convection currents?

the mantle

300

If the moon is behind the Earth, in its shadow, this is what type of eclipse?

lunar eclipse

400

Which type of reproduction results in the most variation in the offspring?

sexual reproduction

400

How can a mixture of sand and water be separated?

use a filter

400

Is your home wired in a series or parallel circuit? Why?

parallel, if one goes out, all others stay lit

400

An air mass that forms over Canada would be called

continental polar

400

When the moon is not visible to us, this phase is known as 

new moon

500

Based upon what they eat, humans are classified as 

omnivores

500

Why don't oil and water mix?

Oil floats because it is less dense than water.

500

Why does a pencil in a glass of water look broken?

because of refraction

500

Fossils would be found in which type of rock?

sedimentary

500

How long does it take the moon to make one complete revolution around the Earth?

one month

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