Equal number of protons in an atom (two word)

What causes objects to move or stay still?

Order these clouds from highest (1) to lowest (3) : stratus alto cirrus

The student finds that a standing wave with one antinode is formed on the string when the frequency of the oscillator is f0. The student then moves the oscillator to shorten the horizontal segment of string to a fourth of its original length.

An adult person radiates heat to the surroundings at about the same rate as a 100-watt electric incandescent light bulb. What is the total amount of energy in kcal radiated to the surroundings by an adult over a 36 h period?

4. A metal fork has a density of 7.8 g/cm ³. Is this fork made up of aluminum? 5. A glass marble has a volume of 5cm ³ and a mass of 13 g. What is the density of the marble

What happens to the resistance of a wire as it gets wet

How much mass is needed for a black hole?

What is one benefit of a switch in a circuit?

When you see a straw in a glass of water it looks bent why is this?

Compare the energy and wavelength of a microwave to the energy of a gamma ray.