11. How many elements are in the second period, or row, of the periodic table

a. 1

b. 2

C. 8

d. 18

Explain why your weight would be less in the moon than on earth even though your mass would not change. Use the law of universal gravitation in your explanation.

What is the net force on the box?

Does the force of kinetic friction depend on the weight of the block? explain.

Which is a part of a vacuum? a) inclined plane b) block and tackle c) wedge d) lever

Low-frequency vertical oscillations are one possible cause of motion sickness, with 0.30 hz having the strongest effect. your boat is bobbing in place at just the right frequency to cause you the maximum discomfort.

A baseball flying through the air has kinetic energy because of its motion. true or false?

How many poles does Jupiter's magnetosphere have? a. 2 c. 8 b. 4 d. 9

Which describes nuclear fusion? The nuclei of two atoms combine to form a larger nucleus. The nucleus of one atom splits to form two smaller nuclei. The electrons of two atoms combine to form a cluster of electrons.

In a class debate, a student argues that the big bang theory is "just a theory." What is most likely to be this student's understanding of scientific theories? A. Theories agree with observations of nature. B. Theories are just guesses. C.

Look at the advertisement. A poster that reads, "There's more to resistors than resistance. If you're really serious about cost, be serious about quality." with tools. Which persuasive media technique is used in this advertisement