What is heat?

Describe how you could made a sound wave have a higher pitch.

Describe how you could make a sound wave have a higher volume.

Thermodynamics 1st law

A ball whose mass is 0.4 kg hits the floor with a speed of 4 m/s and rebounds upward with a speed of 2 m/s.

An individual is a fifty-year-old smoker that lives in a highly polluted city, gets no exercise, eats fast food every day, and has a family history of lung cancer. Which of the following is an uncontrollable risk factor?

What has a positive charge a comb or an elastic band? Why?

Can you dab at 40 degree angle.

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.