What If We Lost GRAVITY for 5 Seconds?

What If We Lost GRAVITY for 5 Seconds?

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Let's watch the video

Then we will take the quiz! Pay attention so you are able to do well on the quiz.

Gravity

• Gravity is a force that the Earth exerts on everything around it.

• Gravity is important to our planet's existance.

Even though the Earth would never lose gravity, if it did, even for 5 seconds......

• everything on Earth would float around the planet.

• things like trees and buildings will be pulled from the ground.

• in the middle of Earth, there would be winds so strong that you would be swept away for a mile and a half.

• the Earth's atmosphere would disappear and there would be no oxygen for us to breathe.

• it would cause the ear drums of all living things to burst. Ouch!!!

Multiple Choice

It is possible for the Earth to lose gravity?

Multiple Choice

We would be fine if we lost gravity for only 5 seconds.

Multiple Choice

How does gravity help us breathe?

• It keeps the atmosphere with oxygen on Earth.

• It causes really strong winds to provide us with air.

What would happen to Earth without gravity?

• The pressure of the inner core would cause Earth quakes and vocanic eruptions.

• There Earth would float away in space at almost 20 miles an hour.

What happens to astronauts who go into space where there is no gravity?

• They lose bone mass and muscle strength.

• Their sense of balance changes.

• Their red blood cell count drops causing a condition called anemia.

Multiple Select

Chose the two correct answers. What would happen to the Earth if it lost gravity?

• It would not be affected. The Earth itself would stay the same.

• It would cause earthquakes and volcanoes to erupt.

• It would float away in space.

• It would change shape and would no longer be round.

• It would get too hot for humans to live on it.

Multiple Select

Choose the three correct answers. When astronauts go into space, how do their bodies change?

• They lose muscle strength and bone.

• The lose their hearing and sense of smell.

• They lose weight and their teeth.

• Their red blood cell count goes down.

• Their balance changes.