Andy hid a paper clip in one paper hat. He hid a crayon in another paper hat. Sam held a magnet near each paper hat. What happened?

Which type of heat transfer can happen through empty space? which type of heat transfer can happen through empty space? radiation conduction convection evaporation?

Which situation is contrary to Newton's first law of motion? An object at rest begins to move when an external force is applied. A moving object has a constant velocity under the influence of balanced forces.

Space ships have given scientists important information about mercury, venus and mars true or false.

A gas has an initial volume of 212 cm^3 at a temperature of 293 K and a pressure of 0.98 atm. What is the final pressure of the gas if the volume decreases to 196 cm^3 and the temperature of the gas increases to 308 K? a. 0.86 atm b. 0.95 atm c. 1.

Which of the following is a simple machine?

Whats the difference between population density and population size?

Water in the lake behind hoover dam is 221 m deep. part a what is the gauge water pressure at the base of the dam?

What is the electric force acting between two charges of 0.0042 C and -0.0050 C that are 0.0030 m apart? Use F. - k9192 and k=9.00 x 10°N VIC

At what height must a 6-kilogram object be placed to have 12 joules of gravitational potential energy? OA) 0.2 m O B) 2 m OC) 7.3 m OD) 36 m

Which is harder, air tight or water tight seals?