Describe in detail how you would measure in time in seconds it takes to go from home to school.

Sunglasses have lenses made of dark glass that reduce the amount of daylight entering your eyes. Design a test using a light meter and a lamp to find out if the two lenses in a pair of sunglasses are equally effective.

Rounded to the nearest whole number, how many protons are in an atom of krypton? A 36 B 48 C 84 D 120

When you blow some air above a paper strip, the paper, rises. This is because 1.) the air above the paper moves faster and the pressure is lower 2.) the air above moves faster and the pressure is higher 3.

What types of simple machines are in a bicycle

Which feature of the sun is caused due to an eruption of high-energy radiation? Corona Prominence Solar flare Sunspot

Consider two small masses of air, both at a pressure of 1000 mb. One mass is on the beach in Costa Rica (lucky air mass) and the other is on a glacier in Greenland (Sad!). Which mass has the higher density?

Metric Unit for Weight (Not grams)

In a vacuum, which of the following statements about terminal velocity must be true? A. Objects have the same terminal velocity that they do when there is air. B. Objects do not have a terminal velocity, since there is no air resistance. C.

Which of the following statements describes an anticyclone? a. It is an area of low pressure. b. It is an area of high pressure. c. It has air masses that meet and rise. d. It moves in the direction of the Earth's rotation.

The hydrocarbon C2H4 is a member of the_series.