Q: A child walks across a carpet and generates an electrical charge. The child will get a slight shock by touching a
A: metal doorknob.
Q: Based on the evidence available at the time, early models of the solar system stated that all objects in space orbited Earth. In the 16th century, an astronomer reevaluated the evidence and proposed a model of the solar system that is still in use. What part of this model corrected the mistake in previous solar system models?
A: The Sun is at the center of this model.
Q: A student wraps a wire around an iron nail. The student then connects the wire to a battery. The nail attracts another nail and they stick together. What force holds the two nails together?
A: magnetic force
Q: The scientific name for a giraffe is Giraffa camelopardalis. What two levels of classification does this name represent?
A:
genus and species