Scientists think that about 245 million years ago, the continents were joined in a single landmass known as Gondwana.

True or False?

True or False: When describing motion, there is no need to include the direction of motion.

The three different states of matter are liquid, solid, and gas. A solid is something you can hold in your fingers, while a liquid is something you can hold in a cup. Gases are all around you, making up the air we all breathe.

Rays of light strike a bumpy road and are reflected. What can be predicted about the reflected rays? They will not follow the law of reflection. Each will reflect at the exact same angle of reflection. They will all travel in the same direction.

Which event below cannot be explained by the movement of the lithospheric plates? A. mountain formation B. tornadoes C. volcanoes D. earthquakes

S waves are longitudinal seismic waves. T F

All of the following are types of telescope except

In a longitudinal wave moving along a spring, what are areas where the coils are farthest apart called?

Which configuration would produce an electric current?

Which of the following is not an assumption that scientists must make about the natural world

The density of uranium is 18.8 g/cm3. part a what is this value in kilograms per cubic meter?