The smallest particle of an element that retains the properties of that element

Why does a rock not visibly vibrate?

Air pressure is gravity pulling down on air molecules. a. True b. False

Objects on the moon's surface have an acceleration due to gravity one-sixth that on the earth's. What would the 40 kg boy weigh on the moon? (Round answer to nearest tenth.)

According to Newton s First Law of Motion, if you roll a ball in a straight line in an open field, what will happen to the ball? a. The ball will continue on forever. b. The ball will slow down. c. The ball will not change its velocity. d.

4. Can you determine kinetic energy of an object if you know its mass and volume? If not, what do you need?

Is the following sentence true or false? Two atoms of the same element can have different numbers of protons.

Definition of mechanical weathering

If you double the force of an object what happens to the acceleration?

A particle (mass - 5 g. charge 30 mC) moves in a region of space where the electric field is uniform and is given by Ex 4.8 N/C, Ey-E. 0. If the velocity of the particle att-O is given by v,-40 m/s V, v-0, what is the speed of the particle at t3 s?

When the Egyptians noticed this celestial body rising before the Sun it indicated to them the coming of the Nile flood.