The sun heats different parts of the land differently, leading to uneven heating. What does this cause?

Which of these is the unit of measure for work? a. watts b. joules c. pounds d. newtons

A 1,230 kg car is traveling at 25 m/s. The brakes are suddenly applied and the car slides to a stop. The average braking force between the tires and the road is 7100 N. How far in meters will the car slide once the brakes are applied?

During a firework show, a family sees the spray of sparkles from an exploding firework high in the sky and, a moment later, hears the pop. Which of these best explains why the pop and spray do not seem to occur at the same time? a.

What causes different colors to appear in the sky? Answer : the scattering and reflection of light by dust particles

At which plate boundary would you expect to see volcanoes A. divergent b. all of the above c. convergent D. transform

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