11. Name given to the elements located in group 2.

a. Noble gases

c. Alkaline earth metals

b. Halogens

d. Alkali metals

What is it that changes an objects momentum?

Which of the following would not increase the velocity of a sound wave in air? A. lowering the humidity of the air. B. lowering the density of the air. C. increasing the wind speed in the direction the wave is traveling. D.

Drag each statement to the correct location on the table. Match the characteristics with the states of matter.

How does a wildfire impact a population of oak trees?

Resonance in air column is used in which of these musical instruments Trumpet Drums guitar violent Trumpet makes the most sense

A train is moving 4.82 m/s when it begins to accelerate. After 24.8s it is moving 7.09m/s how far did it move in that time

List three different emotions?

The jet stream flows from east to west across the United States. True False

You are in a hot air balloon, 350 m above the flat Texas plains. You look out toward the horizon. How far out can you see--that is, how far is your horizon? The Earth's radius is about 6400 km.

You and your housemate have an argument over the cost of the electric bill. You want to turn off the outside porch light before going to bed each night.