Fact 1: Recycling reduces the resources needed to make something. Fact 2: Recycling saves resources and reduces pollution. Given the two facts above, recycling reduces what when making something?
OPTIONS:
- fossil fuels
- pollution
- Energy.
- less water
- power
- energy
- Heat energy
- deforestation
pollution
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Fact 1: Sweat wets the skin, and when it evaporates, it cools the body. Fact 2: Sweat is water, salt, some urea. Given the two facts above, the thing that cools the body contains what?
OPTIONS:
- liquid
- matter
- vapors
- oxygen
- Urea
- nektar
- water
- Air
Urea
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Fact 1: An electron microscope is used for seeing very small objects by making them appear bigger. Fact 2: Magnification by a microscope increases the apparent size of an object. Given the two facts above, an electron microscope is used for seeing things what?
OPTIONS:
- dying
- an image
- Light
- growing
- magnified
- tiny polyps
- smaller
- photons
magnified
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Fact 1: The mass of an object causes the gravitational force exerted by that object. Fact 2: Gravitational mass and inertial mass are identical. Given the two facts above, the mass of an object causes force exerted by the object which can be described as?
OPTIONS:
- Inertial mass
- Velocity
- kinetic energy
- Energy.
- acceleration
- friction
- supersonic
- Force
Inertial mass
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