A blow dryer transfers thermal energy mainly by

A. conduction

B. convection

C. radiation

D. specific heat

What causes more friction, wax paper, aluminum foil, or plastic wrap

Does a physics professor work on bodies?

What can we say about microwaves waves on the electromagnetic spectrum?

What are the two main categories of ecosystems?

Which statement correctly distinguishes between mechanical and electromagnetic waves? Electromagnetic waves carry energy through matter; mechanical waves carry energy through space.

What controls the net direction of molecules?

Dispersion is the separation of white light into separate colors by A. differences in wavelength B. differences in wave amplitude C. the blocking of light D. constructive interference

Why would a person choose to tie a helium-filled balloon to a child's wrist instead of simply having the child hold on to it? A. Helium is less dense than air, so it will float above air if the child lets go of the balloon. B.

What process is the method by which a neutral object obtains an electrical charge?

Which of the following examples is most like a non-explosive eruption? Squeezing a ... A: Medium-sized rock B: Sponge soaked in water C: A raw egg D: Water balloon