Astronomy Unit Review

What is one purpose of a telescope?

• to collect less light for the eye

• to collect more light for the eye

• to make small, close objects larger

• to make large, faraway objects closer

Which planet is least like the others?

• Jupiter

• Mars

• Uranus

• Saturn

A flagpole is located at the center of an open space. A student measures the length of the shadow of the pole created by the Sun at 4 different times of the day as represented by the labeled circles.

For which position of the Sun will the length of the shadow be the shortest?

• Position P

• Position Q

• Position R

• Position S

Rafael and Sandy watched the Sun rise over the lake. Toward which general directions were they looking?

• North

• South

• East

• West

The diagram shows the Earth tilted toward the Sun and the Sun’s rays hitting its surface. Which location on the Earth based on its placement is experiencing night?

• Location A

• Location B

• Location C

• Location D

This image shows the positions of the Sun, the Moon, and the Earth. When viewed from Earth, which phase of the Moon is occurring at the position shown?

• first quarter

• full moon

• last quarter

• new moon

For what is the Earth’s tilt on its axis mainly responsible for?

• the length of a complete day

• the length of a complete year

• the rise and fall of the tides

• the seasons of Earth

What is the main cause of the daily change in tide levels on the Earth?

• the gravitational pull of the Sun on the Moon

• the gravitational pull of the Earth on the Moon

• the gravitational pull of the Earth on the Sun

• the gravitational pull of the Moon on the Earth

The diagram shows Earth in different locations around the Sun. Which location represents Earth when it is summer in the Northern Hemisphere?

• location S

• location T

• location U

• location V

Use the table, which shows physical characteristics of the planets, to answer the question.

Which statement shows the gaseous planets in order from the closest to the Sun to the farthest from the Sun?

• Earth, Mars, Jupiter, Saturn

• Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Earth, Mars

• Neptune, Uranus, Saturn, Jupiter