High pressure center of dry air

Tempo is the frequency of a sound and it relates to the highness or lowness of a tone that we hear. True or False.

How is the mass of a liquid substance affected after it freezes A) It increases. B) It decreases. C) It stays the same.

A sound wave has a frequency of 510 Hz in air. Which of these is closest to the wavelength of this sound? (The speed of sound in air is 343 m/s.

How much heat is required to completely boil away 0.200 kg of water (ΔHv = 2.26 * 103 kJ/kg) ?

A new metal was discovered by a team of scientists. They have found that this metal Conducts electricity like all other metals. They took measurements of a sample of the new material. The mass of the sample was 0.

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.