Test: Planets of the Solar System

How big is Mercury?

• Mercury is one-fourth the size of Earth.

• Mercury is one-third the size of Earth.

• Mercury is about as big as Earth.

Tags

NGSS.MS-ESS1-3

The surface of Mercury looks a lot like ______.

• Earth's moon

• Jupiter's moon

• the sun

How is the planet Mercury similar to Earth's moon?

• their surfaces both appear heavily cratered by impacts.
• their lowland regions were flooded by ancient lava flows.
• rotational periods are almost equal to their orbital periods
• all of the above.

What do we call the long streaks of pulverized rocks that surround many crater?

• Rilles
• Craters
• Maria
• Rays

What do we call the dark, smooth areas on the Moon?

• Rilles
• Craters
• Maria
• Rays

What do we call the crushed blanket of rock that covers the Moon's surface?

• Regolith
• Craters
• Maria
• Rays

This spacecraft was the first to visit Mercury & map just over half of its surface.

• Mariner

• MESSENGER

• Magellan

• Veneras

Tags

NGSS.MS-ESS1-3

Mercury has an orbital period of 88 days and rotates once on its axis every ______ days.

• 88

• 59

• 29

• 365

Is Venus the closest planet to Earth?

• Yes

• No - it is the second closest

• No - Venus doesn't exist

• No - it is the furthest away

Tags

NGSS.MS-ESS1-3

Venus is like Earth because ______.

• They both have oceans, air, and plant life.

• They both have people living on them.

• They are about the same size and have about the same amount of gravity.