If a substance cannot be broken down chemically into smaller substances it is

A) An element

B) a compound

C) an atom

D) a molecule

The skid marks from a car involved in an accident measured 73 feet. To the nearest tenth, what was the speed of the car before the brakes were applied?

Why does the moon go through phases?

Which statement is the BEST definition of an atom? A) Anything that has mass and occupies space. B) The smallest particle that has the properties of an element. C) A substance that cannot be broken down chemically into simpler substances.

A baseball is traveling (=20m/s) and us hit by a bat. it leaves the bat traveling (-30 m/s). What is the change in the velocity? remember that direction is what makes velocity diffrent speed.

Who developed the heliocentric model

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.