Life on Earth and Beyond

scientists who study life

in the universe

• astrobiologists

• colony

• microbes

• sensors

• radiation

the smallest

living things

• astrobiologists

• colony

• microbes

• sensors

• radiation

a group of

animals living in

one place

• astrobiologists

• colony

• microbes

• sensors

• radiation

devices that

detect changes in light,

moisture, or other

physical conditions

• astrobiologists

• colony

• microbes

• sensors

• radiation

vehicles used

to explore a planet’s

surface

• astrobiologists

• colony

• rovers

• sensors

• radiation

dangerous

energy rays that cannot

be seen

• astrobiologists

• colony

• microbes

• sensors

• radiation

Describe the Dry Valleys. Choose all that apply.

• Frozen Darkness

• Harsh

• Sunny

• Ice and Snow

Which sentence shows HOW the Dry Valleys are like Mars?

According to page 57, what must happen in order for there to be life on Mars?

• There must be an abundance of light.

• It would need to be shielded from solar radiation.

• There must be plenty of food and water.

• The soil must be full of nutrients.

Using the text Life on Earth and Beyond, explain what makes water so important. Use complete sentences in your explanation. (page 67)