| Definitions | True or False | Questions | Units | Tools |
|---|---|---|---|---|
|
Define matter
matter is anything that has mass and takes up space
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True or False: You can always see matter
False - think air. Air has mass and takes up space - it is matter but you can't see it.
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How could the weight of an object change but the mass stay the same in an object?
If that object was taken to another place that had a different level of gravitational pull, the weight would change but the mass would stay the same.
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What unit is mass usually measured in?
Grams
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What scientific tool allows us to measure the mass of objects?
Triple-beam balance
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Define mass
the amount of particles in an object/substance
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What is the formula for density?
Mass / volume = density
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Why do astronauts weigh less on the moon than they do on Earth?
The weigh less because the gravity on the moon is one-sixth as strong as it is on Earth.
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What unit is volume usually measured in?
milliliters for liquid or cm^3 for solid objects
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What scientific tool allows us to measure the volume of objects?
graduated cylinder for liquids
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Define volume
the amount of space an object takes up.
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What unit is weight measured in?
Pounds is common, but in science they will use Newtons since weight is a force (due to gravity). One Newton is about a forth of a pound or 100g.
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What scientific tool allows us to measure weight?
spring scale
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Define weight
Weight is a measure of the gravitational pull on an object
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What unit is density measured in?
density is the measure of the amount of mass in a given amount of space.
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How else can we calculate the volume of objects?
with a formula (like L x W x h) or with water displacement
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