Which of the following is a part of a pair of scissors?

a. inclined plane

b. pulley

c. screw

d. wedge

Describe a sea-level transgression

Did the bigbang violate the law of conservation of energy and matter?

Which word best describes electricity as it occurs in nature?

How has access to the source code of proprietary software?

Propose a hypothesis for how the position of the ball will affect the amount of its gravitational pull energy

According to the Doppler Effect, which statement is true about a sound as it approaches you and then moves away. A) As the source approaches you, the sound waves are compressed so the pitch of the noise increases.

If you have a beam perfectly balanced on a fulcrum and put a weight at the very end of one side, is there a way to know where you should put a heavier object on the other end?

Most of the Earth's volcanoes occuWhen fossils or minerals form, certain unstable elements are sometimes locked into them.

a man is standing on the edge of a 20.0m high cliff. he throws a rock vertically with an initial velocity of 10.0m/s. how high does the rock go?

The slope of a velocity time graph over any interval of time gives the during that interval