7.2 Space

The Sun rises and sets every day because:

• the Sun moves around the Earth.

• the Earth moves around the Sun.

• the Earth spins on its axis once every 12 hours.

• the Earth spins on its axis once every 24 hours.

The Moon appears to be different shapes at different times because:

• the Moon orbits the Earth.

• the Moon spins on its axis once each month.

• we cannot always see all of the lit part of the Moon.

• there is no air on the Moon.

Which statement best describes our current ideas about the Solar System?

• The planets all move in circular orbits around the Earth.

• The planets all move in circular orbits around the Sun.

• The planets all move in elliptical orbits around the Sun.

• The planets all move in elliptical orbits around the Earth.

Why do we believe that our current model of the Solar System is correct?

• We can see the elliptical orbits.

• It can accurately predict the movements of the planets.

• It agrees with religious ideas.

• We have sent people to visit the Moon.

We have different seasons during the year because:

• the Earth’s axis is tilted.

• the Moon moves around the Earth.

• the Sun moves around the Earth.

• there are 12 months in the year.

Which statement is true?

• In Britain we get more daylight in summer and less in winter.

• Daylight and night are the same length in summer and winter.

• We get less daylight in summer and more in winter.

• We get most daylight in the spring.

The Sun at midday:

• is highest in the spring.

• is highest in the summer.

• is highest in the autumn.

• is highest in the winter.

The Sun feels warmer in summer because:

• the Earth is closer to the Sun.

• the Earth is further away from the Sun.

• the Sun’s rays are more concentrated.

• the Sun’s rays are more spread out.

Stars are:

• lumps of hot rock in space.

• huge balls of burning gas, like the Sun.

• balls of burning gas, like the Moon.

• all very close to the Earth.

Which is the best description of a constellation?

• a group of stars that appear to be close to one another when we look at them.

• millions of stars that form a spiral shape

• a group of stars that are only a few light years from each other

• lines in the sky that join stars to each other