Space Club 8 - Good & Beautiful

The tides and gravity

Watch this video with Dr. Jeff

Gravity Pulls Things Down

Multiple Choice

As the moon orbits the earth, its gravity pulls the water in the moon's direction.

• True

• False

Multiple Choice

For how many hours does the water typically rise in a high tide?

• 4 hours

• 5 hours

• 6 hours

• 7 hours

Multiple Choice

For how many hours does the water typically fall back down?

• 4 hours

• 5 hours

• 6 hours

• 7 hours

​When the moon pulls the earth, it pulls the water toward it.

This pull causes a high tide on the side of the earth facing the moon.

Multiple Choice

What do we call an invisible force that pulls everything down to Earth’s surface?

• Electricity

• Magnetism

• Gravity

• Kinetic force

Multiple Choice

The weight of an object is how hard gravity pulls it down.

• True

• False

Multiple Choice

What do we call the amount of matter an object contains?

• Mass

• Density

• Solubility

• Weight

Multiple Choice

Weight does not change based on location, but mass does.

• True

• False

Multiple Choice

If you were to travel to different planets in the Solar System, you would have the same weight on each planet.

• True

• False

Multiple Choice

Which is bigger?

• Moon

• Earth

Multiple Choice

Planets with a larger mass would have which gravitational pull on objects?

• Srronger

• Weaker

Multiple Choice

Planets with a smaller mass would have which gravitational pull on objects?

• Srronger

• Weaker

Exploratorium

This website helps you calculate your weight on different planets.

Multiple Select

You would weight the same as the Icelandic sheep dog on

• Mercury

• Mars

• Venus

• The Moon

Multiple Choice

You would weight the same as an Antarctic Fur Seal on:

• Neptune

• Jupiter

• Uranus

• Venus

Multiple Choice

You would weight the same as a macaque on:

• The Moon

• Mars

• Mercury

• Venus

Multiple Choice

If you are on the moon, your weight is how many times less that on Earth?

• 1/4

• 1/6

• 1/2

• 1/3

Multiple Choice

Your mass is exactly the same on Earth and on the Moon.

• True

• False

Astronaut's mass remained the same. His weight changed.

Fill in the Blank

The gravity of the Sun is so strong that it holds all ____ planets together.

This is another video from Dr. Jeff, but for older kids.

Multiple Choice

What was the moon's phase yesterday?

• Waxing Crescent

• Waning Cresent

• New Moon

• First Quarter

See you next week