Solar System Test

are mostly made of gas

Uranus was the first planet discovered by telescope.

Which planet has the largest diameter?

farthest from the Sun

Which planet does not have a moon?

have moons

To be a planet, an object must be round, orbit the Sun, and have an elliptical orbit. Why is an asteroid not a planet?

This is the 4th planet from the Sun.

This is the largest of the terrestrial planets.

Venus

How many stars are in the solar system?

Which planet has the lowest surface temperature?

What is the center of the solar system?

closest to the Sun

What are icy objects surrounded by dust and gas?

What is the planet that has a weather system called the "Great Red Spot"?

What is the smallest planet of all the gas giants?

Saturn

Which solar system object weights the least?

Which planet's orbit around the Sun is the longest?

Mercury

travels in an elliptical orbit

most rings

largest planet

Earth

Mars

Uranus

are spherical in shape

red planet

have warmer temperatures

What is the farthest planet you can see without a telescope?

have solid surfaces

are located inside the asteroid belt

Which solar system object weights the most?

Jupiter

Which planet is referred to as "Earth's twin".

What force keep the planets in orbit around the Sun?

Which planet's orbit around the Sun is the shortest?

only planet to support life

Which of the following are NOT made of rock?

have rings

The Sun has more gravitational force than any of the planets.

Weight is the amount of matter in an object.

Neptune

hottest planet

The gas giant planets are also referred to as the inner planets.

This planet has an atmosphere made of thick, swirling clouds.

Which planet has the smallest diameter?

orbits on its side

orbit the Sun

Weight can change depending on location.

On which planet would you weigh the most?

Which planet is not a dwarf planet?