Given a scientific passage and an answer, generate a question for the given answer.

Q: Passage: Physical properties include color, density, hardness, and melting and boiling points. Answer: physical

A: Hardness, density, color, and melting and boiling points are all considered what types of properties?
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Q: Passage: Meteoroids are smaller than asteroids, ranging from the size of boulders to the size of sand grains. When meteoroids enter Earth's atmosphere, they vaporize, creating a trail of glowing gas called a meteor. If any of the meteoroid reaches Earth, the remaining object is called a meteorite. Answer: meteorite

A: When a meteoroid reaches earth, what is the remaining object called?
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Q: Passage: Blood is a fluid connective tissue that contains a liquid component called plasma. Answer: plasma

A:
What is the liquid component in blood?
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