Earth and Space

Earth and Space

7.9A: Analyze the characteristics of objects in our solar system that allow life to exist such as the proximity of the Sun, presence of water, and composition of the atmosphere

7.9B: Identify the accommodations, considering the characteristics of our solar system, that enabled manned space exploration

Multiple Choice

The sun is a

• medium sized star

• large sized star

• extra large size star

• small size star

Multiple Choice

The sun is the

• closest star to Earth

• brightest star

• biggest star

Multiple Choice

We live in the __________ _________ galaxy

• Milky way

• milky star

• way Milky

• Jollyus Rancherous

Multiple Choice

The Milky Way galaxy is a _____ or disc shaped galaxy

• spiral

• elliptical

• irregular

Multiple Choice

Which is NOT one of the three factors that makes Earth habitable?

• Composition of the atmosphere

• Presence of liquid water

• Proximity to the Sun

• A vacuum with no atmosphere

Multiple Choice

Proximity to the sun gives us all of the following except :

• stable temperatures for liquid water

• photosynthesis in plants

• reasonable day and night

• Extra long summers

Multiple Choice

This gas keeps heat on the surface of the Earth and humans exhale it

• oxygen

• neon

• carbon dioxide

• helium

Multiple Choice

Gas that humans need to stay alive

• oxygen

• carbon dioxide

• Helium

• Neon

Multiple Choice

layer of gases that surround the Earth

• Atmosphere

• oxygen

• Planet

• satellite

Multiple Choice

Water makes up ________ percent of the planet

• 70%

• 90%

• 100%

• 200%

Multiple Choice

The space having no atmosphere or sound means it is a

• vacuum

• atmosphere

• carbon dioxide

• oxygen

Multiple Choice

Microgravity means to

• have a lot of weight

• be weightless

Multiple Choice

Space has various G forces that cause muscle loss, heart rhythm dysfunction, heart and vision impairment and balance problems.

• true

• false

Multiple Choice

astronauts in space must find ways to exercise to slow the loss of bone and muscle

• true

• false

Multiple Choice

reusable spacecraft that can carry a crew and equipment into space, turn to earth and be reused for the same purpose.

• space craft

• space suit

Multiple Choice

A space suit protects from

• lack of oxygen

• severe temperatures

• Harmful UV rays

• all of the above

Multiple Choice

How does the space suit protect from drifting off into space?

• providing oxygen

• tethers are attached to rings on the suit

• it is covered with a helmet

Multiple Choice

The food has to be

• freeze dried

• suctioned to a toilet

• attached to velcro

Multiple Choice

Why do astronauts use exercise equipment?

• no gravity causes muscle loss

• there is harmful uv radiation

• their food had to be freeze dried

• They have to sleep attached by velcro to the wall