Answer the following question given this paragraph: The stomach is a sac-like organ at the end of the esophagus. It has thick muscular walls. The muscles contract and relax. This moves the food around and helps break it into smaller pieces. Mixing the food around with the enzyme pepsin and other chemicals helps digest proteins. Q: What is the sac-like organ at the end of the esophagus? Choices: - rectum - larynx - appendix - stomach A:
stomach
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Answer the following question given this paragraph: Q: The process that a plant increases in size is known as what? Choices: - fertilization - trend - harvest - growth A:
growth
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Answer the following question given this paragraph: Mammals are noted for the many ways they can move. Some mammals are well known for their speed. The fastest land animal is a mammal, the cheetah. It can race at speeds of up to 112 kilometers (70 miles) per hour. Q: What is the fastest land animal? Choices: - ostrich - rhino - greyhound - cheetah A:
cheetah
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Answer the following question given this paragraph: Chemical energy and nuclear energy are other forms of potential energy. Q: Chemical energy is another form of which energy? Choices: - heat energy - nuclear energy - mechanical energy - potential energy A:
potential energy
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