Earth and Space

Tides are caused by

• strong winds that blow over ocean waters.
• the interaction of Earth, the moon and the sun.
• the shifting of the plates on the ocean floor.
• variations in the salinity of ocean water

What do we call a tide that has a large range?

• gravity
• wind
• spring
• neap

What do we call the small tides that happen when the sun and moon are at right angles to each other?

• Neap Tide
• Spring Tide
• Larger Change
• Smaller Change

Tides are caused by ___________

• wind
• gravitational pull of moon
• waves gravitation toward land
• rain

At the same time the sea is drawn to the moon, another tidal bulge takes place on other side of Earth?

• Yes
• No
• Maybe
• I don't know!

The difference in levels of ocean water at high and low tides is the _________________.

• low tide
• tidal range
• high tide
• slack water

I am a rock entering a planet's atmosphere.

• meteor
• meteorite
• asteroid
• comet

The belt between Mars and Jupiter

• Comets
• Asteroids
• Meteors
• Stars

They are sometimes called shooting stars

• interplanetary dust
• asteroids
• comets
• meteors

The tail of a comet usually faces

• toward the sun
• toward the Earth
• away from the Sun
• away from the Earth