Which of the following devices measures air pressure?

A. Doppler radar

B. Anemometer

C. Thermometer

D. Barometer

What is another name for kidney stones?

An electric field greater than about 3*106V/m causes air to break down (electrons are removed from the atoms and then recombine, emitting light).

Which of the following is true about the index of refraction? a) It is always equal to 1.00. b) It can be equal to 1.00 but it can also be less than 1.00. It is never greater than 1.00. c) It can be equal to 1.00 but it can also be greater than 1.00.

Which of the following causes a current in an electrical circuit? A. resistance B. a current difference C. a voltage difference D. the shape of the electrical circuit

Particles that make up matter are in constant motion

If the mass of an object on Earth is 18 grams, what would the mass of the same object be on the Moon?

What is a meter? give 2 examples of objects that are a meter in lengh

how many kilograms off mercury would fill a 5litre container if the density of mercury is 13.6grams per cm3

Give 2 ways to increase the temperature of gas

The energy associated with motion is called a. kinetic energy. b. elastic potential energy. c. gravitational potential energy. d. nuclear energy.