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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?
meteor
There is not enough liquid water to support life.
Living in zero gravity weakens muscles and bones.
photosynthesis
decrease
Water is required for life to exist.
A space shuttle could be used for more than one space flight
The radiation from the Sun would not be repelled which would make the surface too hot.
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?
meteor
There is not enough liquid water to support life.
Living in zero gravity weakens muscles and bones.
photosynthesis
decrease
Water is required for life to exist.
A space shuttle could be used for more than one space flight
The radiation from the Sun would not be repelled which would make the surface too hot.
As distance from the Sun increases, the surface temperature of a planet tends to-
meteor
There is not enough liquid water to support life.
Living in zero gravity weakens muscles and bones.
photosynthesis
decrease
Water is required for life to exist.
A space shuttle could be used for more than one space flight
The radiation from the Sun would not be repelled which would make the surface too hot.
What is one major difference between the space shuttle and earlier spacecraft?
meteor
There is not enough liquid water to support life.
Living in zero gravity weakens muscles and bones.
photosynthesis
decrease
Water is required for life to exist.
A space shuttle could be used for more than one space flight
The radiation from the Sun would not be repelled which would make the surface too hot.
What is the scientific name for a “shooting star”?
meteor
There is not enough liquid water to support life.
Living in zero gravity weakens muscles and bones.
photosynthesis
decrease
Water is required for life to exist.
A space shuttle could be used for more than one space flight
The radiation from the Sun would not be repelled which would make the surface too hot.
The Earth’s location in the Solar System allows it to receive radiant energy necessary for –
meteor
There is not enough liquid water to support life.
Living in zero gravity weakens muscles and bones.
photosynthesis
decrease
Water is required for life to exist.
A space shuttle could be used for more than one space flight
The radiation from the Sun would not be repelled which would make the surface too hot.
Mars cannot support life as we know it for which of the following reasons?
meteor
There is not enough liquid water to support life.
Living in zero gravity weakens muscles and bones.
photosynthesis
decrease
Water is required for life to exist.
A space shuttle could be used for more than one space flight
The radiation from the Sun would not be repelled which would make the surface too hot.
Why would life on Earth be unlikely to survive if the liquid iron core did not produce a magnetic field?
meteor
There is not enough liquid water to support life.
Living in zero gravity weakens muscles and bones.
photosynthesis
decrease
Water is required for life to exist.
A space shuttle could be used for more than one space flight
The radiation from the Sun would not be repelled which would make the surface too hot.
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