Light is:

a wave

a particle

neither

A toaster oven has a power rating of 1200W. If you cook a pizza in it for 1 hour at 450°F, how many joules of electrical energy are converted into heat by the toaster oven?

Mark has a mass of 55 kg and climbs up a short, steep trailbof length 300 m to reach the top of a 100 m tall cliff. Matthew, his twin brother, walks up a gentle, winding trail of length 5000 m to reach the top of the same cliff.

Which of the following occurs as light travels farther from its source? a. the source gives off less light as photons move away from it. b. far from the source, photons spread over a larger area. c.

F a girl is standing in front of a smooth surface from which a sound is reflected, the girl may hear

Which molecules are compounds?

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.