| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.91 |
| Score | 0% | 58% |
During digestion, after proteins are broken down where does the undigested food go next?
stomach |
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large intestine |
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small intestine |
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esophagus |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
Which of the following would you find in the side view mirror of a car?
concave mirror |
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convex mirror |
|
concave lens |
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convex lens |
A concave (or converging) mirror bulges inward and focuses reflected light on the mirror's focal point where the mirror's angles of incidence converge. In contrast, a convex (or diverging) mirror bulges outward and diffuses the light waves that strike it. A common use of a concave mirror is in a reflecting telescope, a common use of a convex mirror is in the side view mirror of a car.
The gravitational interaction of Earth and the Moon is responsible for which of these?
the northern lights |
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tides |
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seasons |
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day and night cycle |
Tides are caused by the gravitational interaction of Earth and the Moon.
Molecules and atoms that are inputs to a chemical reaction are known as which of the following?
fuel |
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reactants |
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components |
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products |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).
Neurons are part of the __________ nervous system.
autonomic |
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somatic |
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peripheral |
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central |
The nervous system consists of the brain and spinal cord (central nervous system) and the peripheral nervous system which is the network of nerve cells (neurons) that collect and distribute signals from the central nervous system throughout the body.