A natural force of attraction exerted by the earth upon objects, that pulls

objects towards earth's center is called

When parking uphill on a two-way street with no curb, your front door wheels should be

Anything that takes up space and has weight is called

Two large blocks of wood are sliding toward each other on the frictionless surface of a frozen pond. Block A has mass 4.00 kg and is initially sliding east at 2.00 m/s. Block B has mass 6.00 kg and is initially sliding west at 2.50 m/s.

Which of the following statement best define tides? A. When waves get bigger because of an approaching storm B. The rise and fall of ocean water that occurs about every 12.5 hours C. The rise of ocean water that occurs 12 times a day D.

Except for the layer of air closest to the earth's surface, the ozone layer is the warmest part of the atmosphere?

Which of the following describes the products of a chemical reaction? A. The original materials B. The chemicals on the right side of a chemical equation C. The chemicals on the left side of a chemical equation D. The substances that are changed

What does it mean when we say an atom has decayed?

The first excited state of a particular atom in a gas is 5.2 eV above the ground state. A moving electron collides with one of these atoms, and excites the atom to its first excited state.

How do your teeth work as a wedge?

According to the Big Bang theory timeline, all matter and energy was compressed into a very small volume at an extremely high temperature. a. True b. False