Space Unit Review

What is the purpose of the two ROCKET BOOSTERS (one on each side) on the space shuttle?

• to safely get astronauts to space

• to make sure the space shuttle can land safely

• to propel the shuttle past Earth's gravity

Which of these are characteristics you would not look for in a habitable planet?

• size

• atmosphere composition

• color

• distance from the sun

Why is it important for habitable planets to have a central star, like our sun?

• plants convert (change) the sun's energy into food

• plants convert (change) the sun's energy into water

• plants convert (change) the sun's energy into carbon dioxide

• plants don't need the sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the MAIN reason Earth's atmosphere is thicker than other planets?

• mass too small, gravitational pull is too weak

• mass too large, gravitational pull is too hard

• mass is just right, gravitational pull is strong enough to keep atmosphere in place

• UV rays from the sun burned away the atmosphere of smaller planets

Which statement explains why astronomers use a unit called a light-year when writing about the vast distances between Earth and distant stars?

• a. Light travels at different speeds during different times of the year.

• b. Stars are so far from Earth that writing their distance in kilometers becomes awkward.

• c. There are too many stars in space.

• d. It sounds more scientific.

Which type of eclipse occurs when the Moon comes directly between Earth and the Sun?

• Lunar Eclipse

• Solar Eclipse

Tags

NGSS.MS-ESS1-1

Which of the following is a characteristic feature of the outer planets (Jupiter, Saturn, Uranus, Neptune)?

• They are mostly made of rock and metal.

• They have very few moons.

• They are primarily composed of gases and liquids.

• They are closer to the Sun than the Earth is.

What is the special unit of measurement scientists use for distance in space?

• Kilometer

• Light Year

• Light Day

• Mile

Why do astronauts exercise in space?

• to minimize memory loss

• to minimize oxygen loss

• to minimize water loss

• to minimize muscle loss

Space suits protect astronauts from all but ...

• cold

• lack of oxygen

• solar radiation

• high air pressure