You are presented with the quiz "what do animals get?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "playing is one way mammals and other animals learn how to behave" and "bored animals play, according to Spencer". So, what's the best answer to the question?
OPTIONS:
- nectar
- food
- bored
- kicked
- warmth
- looser
- anemia
- fever
bored
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You are presented with the quiz "what does hydrogen bonds cause to expand when it freezes?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "hydrogen bonds cause water to expand when it freezes" and "water is made up of H2O molecules". So, what's the best answer to the question?
OPTIONS:
- oxygen
- atomic bombs
- rain
- NaCl
- H20
- lake
- hydrogen
- h2o
h2o
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You are presented with the quiz "What is converted into light by burning beech wood?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fire converts chemical energy into light and heat energy" and "beech wood fires burn bright and clear If the logs are kept a year". So, what's the best answer to the question?
OPTIONS:
- direct energy
- one celled organisms
- chemical energy
- hydrogen and oxygen
- kinetic energy
- Time and energy
- permineralization
- peachleaf willow
chemical energy
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You are presented with the quiz "What causes air pollution?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "burning wood is used to produce heat" and "air pollution is created by burning". So, what's the best answer to the question?
OPTIONS:
- Smoking
- cigarettes
- producing heat
- Electrical energy
- oxygen
- chemical reaction
- wind turbines
- clouds
producing heat
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