What are some indicators that a chemical reaction is occurring? Check all that apply.

the formation of bubbles

a change in size

a change in color

the formation of a liquid

the formation of a precipitate

Name three states in which matter can be found

A car accelerates uniformly from + 10.0 m/s to + 40.0 m/s over a distance of 125 m. How long did it take to go that distance? Show all your work, including the equation used, given and unknown quantities, and any algebra required.

A superball of mass m is dropped vertically from a height, h. if the impact time with the floor is t, what is the average force on the ball

The way matter moves in a longitudinal wave

The large, flat piece of wood within a piano serves the same purpose as (a) a bamboo reed (b) a set of wooden drum sticks (c) a guitar pick (d) the hollow box within a violin

Why is the use of carbon-14 limited

Why do cell sometimes need to use active transport?

Why is carbon and nitrogen important?

Gizmo answer sled wars

3. What is the kinetic energy of a 1300 kg car moving at 26.3 m/s?