Problem:OPTIONS:
- energy of moving objects
- chemical messengers
- the body's largest organ
- peace
- Thinking hard
- Blowing a whistle
- Electrical energy
- death

Fact 1: Blowing air into a whistle causes air to vibrate inside the whistle. Fact 2: Sounds are vibrations in air. Given the two facts above, what creates sounds?
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A: Blowing a whistle

Problem:OPTIONS:
- size
- energy
- kinetic energy
- Energy.
- heat energy
- shape
- properties
- friendship

Fact 1: If an object is made of a material then that object has the properties of that material. Fact 2: Metals are extremely versatile materials. Given the two facts above, if an object is made of metal, what does it always share of metal?
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A: properties

Problem:OPTIONS:
- Give homes to fish
- dead organisms
- near the shoreline
- dormant state
- it needs them
- at or near the margins
- permineralization
- watershred

Fact 1: If fossils of a water animal or plant are found in a place then that place used to be covered by water in the past. Fact 2: Permineralization is a second type of fossil formed. Given the two facts above, if _ of a water animal or plant are found in a place then that place used to be cove?
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A: permineralization

Problem:OPTIONS:
- amoeba
- Trees
- bushes
- density
- grass
- volume
- mass
- flowers

Fact 1: All plants have a characteristic life cycle that includes alternation of generations. Fact 2: All plants are of bush type. Given the two facts above, what has a life cycle that includes alternation of generations?
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A:
bushes