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First planet from sun
Venus is the hottest because of its thick atmosphere of CO2.
Living in zero gravity weakens muscles and bones.
There is not enough liquid water to support life.
Water is required for life to exist.
Mercury
decrease
Sound needs a medium (like air) in which to travel
To protect from micrometeoroids
What is the hottest planet in our Solar System?
Venus is the hottest because of its thick atmosphere of CO2.
Living in zero gravity weakens muscles and bones.
There is not enough liquid water to support life.
Water is required for life to exist.
Mercury
decrease
Sound needs a medium (like air) in which to travel
To protect from micrometeoroids
Astronauts can talk with each other inside the space station, but once outside the station, they use radios to communicate. Why do they have to use the radio?
Venus is the hottest because of its thick atmosphere of CO2.
Living in zero gravity weakens muscles and bones.
There is not enough liquid water to support life.
Water is required for life to exist.
Mercury
decrease
Sound needs a medium (like air) in which to travel
To protect from micrometeoroids
A student’s younger sibling was watching a news story about the possibility of water on Mars. The sibling asked, “Why is finding water so important?” Why is it important?
Venus is the hottest because of its thick atmosphere of CO2.
Living in zero gravity weakens muscles and bones.
There is not enough liquid water to support life.
Water is required for life to exist.
Mercury
decrease
Sound needs a medium (like air) in which to travel
To protect from micrometeoroids
An engineer is designing a spacesuit to be used for a long spacewalk. Why does he place a layer made of a similar material to a bulletproof vest on the outside of the suit?
Venus is the hottest because of its thick atmosphere of CO2.
Living in zero gravity weakens muscles and bones.
There is not enough liquid water to support life.
Water is required for life to exist.
Mercury
decrease
Sound needs a medium (like air) in which to travel
To protect from micrometeoroids
Mars cannot support life as we know it for which of the following reasons?
Venus is the hottest because of its thick atmosphere of CO2.
Living in zero gravity weakens muscles and bones.
There is not enough liquid water to support life.
Water is required for life to exist.
Mercury
decrease
Sound needs a medium (like air) in which to travel
To protect from micrometeoroids
An astronaut, who has just returned from six months on the space station, has to be helped from the spacecraft once back on Earth. What is one reason the astronaut needs help?
Venus is the hottest because of its thick atmosphere of CO2.
Living in zero gravity weakens muscles and bones.
There is not enough liquid water to support life.
Water is required for life to exist.
Mercury
decrease
Sound needs a medium (like air) in which to travel
To protect from micrometeoroids
As distance from the Sun increases, the surface temperature of a planet tends to-
Venus is the hottest because of its thick atmosphere of CO2.
Living in zero gravity weakens muscles and bones.
There is not enough liquid water to support life.
Water is required for life to exist.
Mercury
decrease
Sound needs a medium (like air) in which to travel
To protect from micrometeoroids
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