Write 1,2,3 to order how a plants become part of soil.:-the plant breaks down into bits. / a dead plants fall to the ground. / the bits became part of soil.

Potential energy is best described as the

A simple machine that might be thought of as an inclined plane that moves is a a. lever. b. wheel and axle. c. wedge. d. pulley.

The element boron (B, atomic number 5 and atomic mass 11) is right above aluminum (Al, atomic number 13 and atomic mass 27) in the periodic table. How many more electrons does aluminum have than boron? Why?

Takeshi raises a 1050 N piano a distance of 5.00 m using a set of pulleys. He pulls in 19.5 m of rope.

For a ball that is dropped from rest, what is its average velocity from t=1s to t=2s?

The space shuttle undergoes an acceleration of 53.9 m/s2. How fast is it traveling at the end of 55.2s

Which of the following has the greatest amount of kinetic energy a) slice of pizza b) a person at the top of the stairs c) wind d) a book on a table

Physical properties within a period are more alike than physical properties within a group. True false

A 50-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 30.0° below the horizontal is applied to the box. The coefficient of static friction between the box and the surface is 0.

As you heat a steak on a grill, what kind of energy are you increasing in the steak?