Space Post-Assessment

Look at the diagram below.

The planets' relative distances from the Sun are shown. The sizes of the planets are not drawn to scale.

Which of the following planets most likely has the coldest surface temperature?

• Venus

• Mars

• Saturn

• Mercury

Day and night are caused by ...

• the rotation of Earth on its axis.

• the Sun completing a full orbit around the Earth.

• the rotation of the Sun on its axis.

• the Earth completing a full orbit around the Sun.

What is significant about the discovery of water on Mars?

• It proves there is life on Mars.

• It provides evidence there may be life on Mars.

• It proves that there was once an advanced civilization on Mars.

• It provides evidence of an advanced civilization on Mars.

Which of the following causes the change in seasons on Earth?

• The tilting of the Earth on its axis and the Sun revolving around the Earth.

• The spinning of the Earth on its axis and the Earth revolving around the Sun.

• The tilting of the Earth on its axis and the Earth revolving around the Sun.

• The Earth revolving around the Sun and the Moon revolving around the Earth.

The Solar System is made up of eight planets, numerous comets, asteroids, and moons, and the Sun.

The force that holds all of these objects together is ...

• Tension

• Magnetism

• Electromagnetic Attraction

• Gravity

All of the planets in the solar system formed at about the same time from a large cloud of gas and dust.

How is Earth different from other planets in the solar system?

• Earth has no natural satellites.

• Earth’s atmosphere is composed of gases.

• Water is found in all three states on Earth.

• Volcanoes release liquid rock onto Earth’s surface.

This image shows the positions of the Earth, Moon, and Sun during a ...

• Lunar Eclipse - the Moon casts a shadow on the Earth.

• Solar Eclipse - the Earth casts a shadow on the Moon.

• Solar Eclipse - the Moon casts a shadow on the Earth.

• Lunar Eclipse - the Earth casts a shadow on the Moon.

The Earth has four main seasons: Winter, Spring, Summer and Fall.

Which of the following is a cause of seasonal changes on Earth?

1. The Earth revolves around the Sun.

2. The Earth's axis is tilted.

3. The Earth rotates.

• 1 only.

• 1 and 2 only.

• 1, 2 and 3.

• None of these.

Earth’s distance from the Sun enables water to be readily available for organisms. Which property of water is most important for these organisms?

• Its ability to freeze.

• Its specific heat capacity.

• Its ability to exist as a liquid.

• Its high surface tension.

The image shows the positions of the Earth, Moon, and Sun during a ...

• Solar Eclipse - the Moon casts a shadow on the Earth.

• Lunar Eclipse - the Earth casts a shadow on the Moon.

• Solar Eclipse - the Earth casts a shadow on the Moon.

• Lunar Eclipse - the Moon casts a shadow on the Earth.