7.9B

What is one of the main reasons astronauts need to be protected from the conditions of space?

• Space has a lot of air and pressure

• Space is filled with breathable oxygen

• Space has extreme temperatures and no air

• Space provides natural sunlight for warmth

What is microgravity?

• A condition where gravity is slightly stronger than on Earth

• A condition where objects float because there is no gravity at all

• A condition similar to floating in a swimming pool due to weaker Earth's gravity influence

• A condition where gravity is twice as strong as on Earth

Why don't astronauts fall back to Earth when they are in orbit?

• Because the Earth's gravity does not reach space

• Because their inertia keeps them moving forward

• Because they are constantly jumping

• Because they are magnetically repelled by the Earth

Tags

NGSS.MS-PS2-4

What is the purpose of a space shuttle?

• To transport astronauts to the Moon only

• To carry crew and equipment into space and return to Earth

• To serve as a permanent living space in orbit

• To explore deep space beyond our solar system

Describe the function of the payload bay in a space shuttle.

• It is where the crew sleeps during missions

• It is used to store food and water for long missions

• It may carry a satellite to be released into orbit or used for experiments

• It is the control center where astronauts manage the shuttle's course

What are the three main parts of a space shuttle as shown in the diagram?

• Payload bay, crew cabin, engines

• Wings, tail, cockpit

• Solar panels, laboratory, sleeping quarters

• Fuel tanks, control room, observation deck

What is the primary function of a space station as described in the text?

• To serve as a launch platform for missiles

• To provide a place for long-term observations and experiments

• To act solely as a hub for satellite repair

• To serve as a training center for astronauts

How long did the Soviet space station Mir stay in orbit?

• 10 years

• 15 years

• 20 years

• 25 years

What is one of the key functions of a space suit's helmet?

• To provide enhanced vision in dark space

• To protect against space debris

• To amplify sound

• To regulate body temperature

Which of the following is NOT a feature of space suits mentioned in the text?

• Tethers to prevent astronauts from drifting away

• Gold-coated visor to protect from UV rays

• Boots designed for moon walking

• Gloves connected to the suit with a special line