Warm Up - 3/14/24

During space exploration it was discovered that the moon is covered with several craters. What is the reason for this?

• Collided with asteroids

• Sun spots

• Earth's gravity

• Because it does not have air

Currently, there is no solid evidence that life exist on Mars. Based on this picture, this is most likely because...

• iron oxide, creating Mars's red color, does not support life.

• Mars has too many volcanic eruptions to allow life.

• Mars has a minimal atmosphere.

• sunlight does not reach Mars.

The region on a globe that is blue indicates water on Earth. Water is essential for life on Earth for all of the following reasons EXCEPT —

• it helps the Earth circulate in all three forms of matter.

• it helps regulate the temperature on Earth

• it is what living organisms are made out of.

• plants use it in photosynthesis

Fill in the blank.

Outer space is almost a perfect _______________, full of cosmic voids. Due to gravity pulling all matter to the strongest source.

• vacuum

• universe

• ocean

• open space

The largest planet in our solar system is...

• Earth

• the Sun

• Jupiter

• Saturn