SImple Solutions Lesson 2

Multiple Choice

A majority of the earth's nitrogen is located in ______ form.

• Liquid

• Solid

• Gaseous

Multiple Choice

If nitrogen from the atmosphere is continually being used, what keeps the atmosphere from running out of nitrogen?

• More is created by the Sun.

• Extra is stored in the clouds

• Dead organisms decompose creating more nitrogen gas

Multiple Select

List 3 reservoirs found in the nitrogen cycle

• animal and plant bodies

• atmosphere

• ocean

• soil

Multiple Choice

Nitrogen fixation can only be performed by animals.

• True

• False

Multiple Choice

The majority of the earth's atmosphere is made up of....

• oxygen

  (O₂)

• nitrogen

• carbon dioxide

  (CO₂)

• ozone

  (O₃)

Multiple Choice

The ocean is the largest reservoir in the water cycle

• True

• False

Multiple Choice

Ice cube melting

• Chemical

  Change

• Physical

  Change

Multiple Choice

Baking a Cake

• Chemical

  Change

• Physical

  Change

Multiple Choice

Which of the following is NOT true of blizzards

• Strong winds move falling snow and snow on the ground

• Blizzards occur because of differences in atmospheric air pressure

• Blizzards happen only in the northern latitudes

Multiple Choice

Plants can be part of the water cycle through a process called....

• persperation

• transpiration

• condensation

• resperation

Multiple Choice

Water changing from a solid state to a gaseous state by-passing the liquid state is called.... (an example is dry ice melting)

• melting

• transpiration

• condensation

• respiration

Multiple Choice

In the human body, tissues organize themselves into groups called______ which perform special jobs in the body. An example would be the heart.

• cells

• muscles

• organs

Multiple Select

Which of the following might be a decomposer?

(mark all that apply)

• worm

• Mushroom

• beetle

• cricket

• owl