Water
Carbon
Nitrogen
Phosphorus
Grab-bag
100

First step of water cycle?

Evaporation

100

____ is the main inorganic storage reservoir for carbon.

CO2

100
Formula for Nitrogen

N2

100

Phosphorus is a component of nucleic acids, ____, and membrane phospholipids

ATP

100

What is the process plants use to make food?

Photosynthesis

200

When water evaporates, it turns into:

Water Vapor

200

What is the chemical formula for carbon dioxide?

CO2

200

Why do living things need nitrogen?

To make protein 

200

Formula for Phosphorus 

NH4

200

What cells give pairs their greedy texture?

Stone cells 

300

What does the water cycle show?

The continuous movement of water within the earth and atmosphere.

300

TRUE OR FALSE: Carbon is an important nutrient

TRUE

300

What percentage of the air is nitrogen?

79%

300

What releases phosphate into the soil?

Weathering 

300

What's the formula for water? 

H20

400

What percent of the worlds water is stored in the worlds oceans?

97%

400

TRUE OR FALSE: Carbon dioxide has no taste, color, or smell 

TRUE

400

Nitrogen is _____ and colorless

Odorless

400

What kind of human activities affect the phosphorus cycle?

Animal waste 

Detergent 

Commercial Ferterlizers

400

To breathe really fresh air, a person can go to ______

A Forest 

A Park 

A remote rural area

500

Where is fresh water mainly stored?

Ice caps and glaciers.

500

Plants use carbon dioxide in the air to make their own food which is called ____

Photosynthesis

500

Molecules of nitrogen are made of two nitrogen ____ joined together

Atoms

500

What is the atomic number?

15

500

We inhale ____ and exhale _____

Oxygen and Carbon Dioxide