Our Solar System Review.

All the planets in our solar system move like this around the sun.

• What is spin?

• What is rotate?

• What is revolve?

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Of all the outer planets, this one is the largest in our solar system.

• What is Saturn?

• What is Jupiter?

• What is Neptune?

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This inner planet rotates once on its axis every 24 hours.

• What is Earth?

• What is Venus?

• What is Mars?

Which planets have a rocky surface.

• What are Jupiter and Saturn?

• What are Uranus and Neptune?

• What are Mercury and Mars?

This star is the closest to the Earth.

• What is the North Star?

• What is the Sun?

• What is Polaris?

Small groups of stars that move across the night sky from one season to the next.

• What are constellations?

• What are galaxies?

• What are nova?

Edwin Hubble was the first astronomer to classify these very large groups of stars by their shape.

• What are red giants?

• What are galaxies?

• What are super nova?

Astronomers can determine the average temperature of a star by observing this.

• What is the size?

• What is the brightness?

• What is the color?

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Our Moon is covered with these landforms caused when meteors, comets, or small asteroids striking its surface.

• What are mountains?

• What are craters?

• What are plains?

Both of these planets have NO moons orbiting around them.

• What are Mercury and Venus?

• What are Venus and Earth?

• What are Mars and Pluto?