Fact 1: Plants exhibit phototropism, or growing toward a light source. Fact 2: Without light, plants die. Given the two facts above, plants that cannot exhibit phototropism will what?
OPTIONS:
- blossom
- die
- kill
- bloom
- dead
- grow
- lack
- harm
die
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Fact 1: The force of water against the seed coat causes a root to emerge from a seed. Fact 2: When the seeds are watered, they grow into a huge root, and then the root sprouts flowers. Given the two facts above, what does water do for a root?
OPTIONS:
- Makes it taste bad
- it needs them
- Helps it sprout
- nutrients
- Protects it from being eaten
- Regrows it
- It remains dormant
- Kills it
Helps it sprout
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Fact 1: Abalance is used for measuring mass of an object. Fact 2: Beam balances, like a seesaw, measure an unknown mass by comparison to known masses. Given the two facts above, an object that can be used for measuring mass of an object is similar to what playground item?
OPTIONS:
- forces
- Slide
- barrel
- Seesaw
- Merry-go-round
- rockets
- Monkey bars
- matter
Seesaw
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Fact 1: Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit. Fact 2: Electrical engineers work on power plants, computers, and other electrical devices. Given the two facts above, a battery-powered computer requires a what for electricity to flow?
OPTIONS:
- direct energy
- closed circuit
- kinetic energy
- broken circuit
- open air
- hydrogen and oxygen
- heat energy
- open circuit
closed circuit
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