Chapter 1 Water is Life

Why is water important?

• It is essential to life

• It tastes good

• It's on every planet

• It freezes at 50 degrees

What is the hydrosphere?

• all water on earth

• water found in the atmosphere

• water found underground

• freshwater

What are natural resources?

• resources found on Earth, can't be made by humans

• resources found on Earth, can be made by humans

• pollutions

How do we use water? (select all that apply)

• drinking

• cooking

• growing crops

• photosynthesis

How much water is available for human use?

• 0.003%

• 70%

• 3%

• 97%

How does water’s temperature affect the amount of oxygen in it?

• cold can hold more

• cold can hold less

• temperature has no effect on this

What is water quality?

• the water's fitness for use

• the amount of oxygen in water

• the temperature of the water

• the flavor of the water

What does "polar" mean?

• A molecule is cold
• A molecule has ionic bonds
• A molecule has covalent bonds
• A molecule has areas of positive and negative charge

Is water polar?

• yes

• no

Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

Tags

NGSS.MS-LS2-3