Q: Answer the following question given this paragraph: Elastic rebound occurs when materials return to their original shape. Q: What happens when materials return to their original shape? Choices: - reverberation - second life - restoration principle - elastic rebound A:
A: elastic rebound

Q: Answer the following question given this paragraph: At birth, a female's ovaries contain all the eggs she will ever produce. However, the eggs do not start to mature until she enters puberty. After menarche, one egg typically matures each month until a woman reaches middle adulthood. Q: When do the eggs in a female's ovaries start to mature? Choices: - maturity - adolescence - adulthood - puberty A:
A: puberty

Q: Answer the following question given this paragraph: A: Like the strings of cello, anything that vibrates produces waves of energy that travel through matter. For example, when you throw a pebble into a pond, waves of energy travel from the pebble through the water in all directions. Like an incandescent light bulb, anything that glows consists of matter that produces light energy. For example, fireflies use chemicals to produce light energy. Like a moving tennis racket, anything that moves has energy because it is moving, including your eyes as they read this sentence. Q: Like the strings of cello, anything that vibrates produces waves of what? Choices: - heating - light - sound - energy A:
A: energy

Q: Answer the following question given this paragraph: The pupil is an opening in the front of the eye. It looks black because it doesn't reflect any light. All the light passes through it instead. The pupil controls the amount of light that enters the eye. It automatically gets bigger or smaller to let more or less light in as needed. Q: What is the opening in the front of the eye called? Choices: - lens - cornea - iris - pupil A:
A: pupil