WorksheetsSolar System Test
Total questions: 17
Worksheet time: 9mins
A year on Jupiter is over 4,000 days long. A year on Mercury is less than 100 days long. Why do planets have different length years?
Planets exert gravitational forces on other planets.
Some planets are larger than other planets.
A year is longer on bigger planets.
Each planet has its own orbital period.
The Earth takes 365.25 days to orbit the sun. Which of the following is a result of this fact?
All calendars have 365 days.
An extra day is added every four years.
February has 28 days instead of 30.
Some holidays are on different dates each year.
When standing on Earth, the Moon and Sun appear to move in the sky from East to West. What is responsible for this apparent movement?
The Moon and Sun rotate on their axis.
The Earth revolves around the Sun.
The Earth rotates counter clockwise.
The Sun and Moon move from East to West in space.
Why does the Earth experience seasons?
The distance between the Sun and the Earth changes.
The Earth gets less sun in the Fall and Winter.
The Sun is hotter in the Spring and Summer.
The Earth is tilted on its axis.
What type of path does Mars take when orbiting the sun?
Clockwise - circular
Clockwise - elliptical
Counter clockwise - elliptical
Counter clockwise - circular
The majority of asteroids are found in a belt located between what two planets?
Earth and Mars.
Mars and Venus.
Mars and Jupiter.
Jupiter and Saturn.
What causes the phases of the Moon?
The relative positions of the Moon and the Earth.
The pull of gravity between the Moon and the Earth.
The Earth's shadow on the Moon.
The Moon's tilt on its axis.
What keeps the Earth in its orbit?
The Earth's location between other planets.
The Earth's spin direction.
The Sun's rotating speed.
The Sun's gravitational pull.
Which of the following best describes a solar eclipse?
The Earth's shadow is reflected on the Sun.
The moon is behind the Sun.
Because of its position, the Moon completely blocks out the Sun's light.
The Sun turns on its side.
Why would a person standing on the Moon be able to see the Earth?
Sunlight reflects off the Earth.
The Earth is bigger than the Moon.
The Moon produces light.
The Moon is close to the Earth.
If Earth's average distance from the Sun is 150,000,000 kilometers, which planet is 108,000,000 kilometers from the Sun?
Venus
Neptune
Mars
Uranus
True or False. The closer a planet is to the Sun, the faster it orbits.
TRUE
FALSE
What planet comes directly after Earth, in the order from the Sun?
Mercury
Venus
Mars
Saturn
A scientist has discovered a new planet. She noticed that a different half of the planet can be seen from Earth every two weeks. Which of the following is a conclusion about this planet that can be made based on this observation?
It is smaller than Pluto.
It rotates on its axis faster than the Moon.
It orbits the Sun slower than the Earth.
It does not have any moons.
During summer camp you went out and observed the night sky. Now that you are back home, you want to continue to look for your favorite constellations but you can't find them. Which of the following explains why you are having this problem?
The Earth has changed positions in its orbit.
The Moon is blocking the view.
The Sun's light is not being reflected.
The constellation has moved its location.
In the Northern Hemisphere, we have more hours of daylight in the summer than in winter. What would you experience in you lived in a country at the Earth's equator?
The most hours of daylight in the spring and fall.
The most hours of daylight in the winter.
The most hours of daylight in the summer.
The same hours of daylight all year long.
You are planning to put a solar collector on your home in Michigan. Which side of the house would make the best location?
North
East
West
South
