Grade 9 Space Exploration Unit Review

In the heliocentric model, what is in the centre of our solar system?

• the Sun

• the Earth

• the Moon

• Polaris

What is a spectroscope?

• a device used to measure the temperature of a star

• a device used to determine the composition of a star

• a device used to determine how far away a star is

• a device used to determine how large a star is

In the geocentric model, what is in the centre of our solar system?

• the Sun

• the Earth

• the Moon

• Polaris

The height of a star above the horizon:

• azimuth

• altitude

• attitude

• astroposition

The location of a star in the sky using the angle measured clockwise from north (similar to a compass reading):

• azimuth

• altitude

• attitude

• astroposition

A compass is used to measure:

• altitude

• azimuth

• attitude

• astroposition

An astrolabe is used to measure:

• altitude

• azimuth

• attitude

• astroposition

What does a reflecting telescope use to collect light?

• a concave mirror

• a convex lens

• a convex mirror

• a concave lens

What does a refracting telescope use to collect light?

• a concave mirror

• a convex lens

• a convex mirror

• a concave lens

Which is a continuous spectrum?

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