Life without Gravity Test

Which detail supports the main idea that weightlessness makes bones “thin and spongy”?

• Astronauts “grow” taller.

• Astronauts develop straight spines.

• Astronauts lose bone tissue.

• Astronauts enjoy weightlessness.

Gradually adjusted again is called...

• feeble

• readapted

• explore

• globule

According to “Life Without Gravity,” why can astronauts’ muscles become weak?

• The blood is rerouted from the legs to the head.

• Eating is difficult so the body does't get proper nutrition.

• The body “grows” by as much as several inches.

• The muscles do not push or pull on the body’s bones.

According to “Life Without Gravity,” what might happen if astronauts’ bones became very weak?

• The astronauts would throw up when they returned to Earth.

• They would continue to grow when they returned to Earth.

• Their bones would snap when they returned to Earth.

• Their hearts would pump harder when they returned to Earth.

According to “Life Without Gravity,” how does weightlessness affect the circulation of blood?

• It causes blood to flow more slowly.

• It causes blood to flow to the head.

• It causes blood to flow more quickly.

• It causes blood to flow to the legs.

According to “Life Without Gravity,” what happens if you pour milk in a weightless environment?

• It splatters on the floor.

• It stays in the container.

• It forms into balls of liquid.

• It turns into cream.

According to “Life Without Gravity,” when does weightlessness become “fun”?

• when you try to eat while experiencing nausea

• when your heart and spine adjust to its effects

• when you walk on a treadmill twice a day

• when food you ordinarily dislike tastes bland

How might a feeble cry sound?

• weak and hard to hear

• high pitched

• extremely loud

• low and rumbling

Why did the astronaut Jerry Linenger say his body “felt like a 500-pound barbell”?

• He had gained weight.

• He was not used to gravity.

• He had been very sick.

• He had not eaten properly.

What happens if you do not have a clamp on the straw in a weightless environment?

• Liquid flows out after you stop drinking.

• The straw becomes clogged with liquid.

• The straw bursts apart.

• You choke on the liquid