Temperature measures:

a. the kinetic energy of the random motion of molecules in an object.

b. the kinetic energy of the average motion of molecules in an object.

c. the potential energy of an object.

d. the motion of an object.

An atom that gains or loses an electron has a net electric charge and is called a/n a. proton. b. ion. c. electron. d. neutron. user: which sentence best describes mass movement? a. the steady pace of air bouncing off a mountain b.

Josh is designing a lab to separate a mixture of sulfur powder and iron filings. He looks at all the ways to separate a mixture but decides that one way would work the best on this mixture.

A wave has a wavelength of 5 meters and a frequency of 3 hertz. What is the speed of the wave?

The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity.

Which observation BEST supports evidence that two different species share a common ancestor? A) they both prey on the same animals for food B) they both burrow into the ground for shelter C) they both have similarities in early embryonic development

Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L.

A negative correlation between degree of wealth and likelihood of suffering from a psychological disorder would indicate that

1. What's your great idea for capturing carbon emissions from existing power plants today?

A lever allows a 35 N load to be lifted with a force of 7 N. What is the mechanical advantage of the lever?

A container of gas is at a pressure of 3.7 * 105 Pa How much work is done by the gas if its volume expands by 1.6 m3?