When an acid reacts with water, the hydroxide ion is formed.

True

False

Byun walked 15 blocks in 25 minutes. What was his average speed?

How is power defined

Which types of magma has the highest viscosity?

Which is hotter, 21°C or 21°F.

Which type of rock is created when lava cools and hardens?

Relationship between acceleration and free fall

A SI unit used to measure force, equal to less than one-quarter of a pound, is the what

What basic form of energy is present in blowing wind?

A wave with a frequency of 30 Hz has a wavelength of 40.5 m. How fast is the wave traveling?

A soccer ball is sitting in the middle of a soccer field during a game. When the referee blows his whistle, one of the players runs toward the ball and kicks it as hard as he can.