Which of the following could be used as biomass fuel? Check all that apply. A. Rocks B. Corn stalks C. Plastic D. A tree

The graph shows the distance (x) traceled by an aircraft traveling at constant velocity in corresponding time intervals (t). What is the form of the graph, and what is the approximate distance traveled by aircraft in 7.5 seconds

What is the first step to take when conducting a scientific investigation? a. reach a conclusion b. determine a question c. design an experiment d. collect data

What is scientific concensus?

Friction converts kinetic energy to a. mechanical energy. c. nonmechanical energy. b. potential energy. d. total energy.

A rock is thrown into a swimming pool that is filled with water at a uniform temperature. As the rock moves beneath the pool's surface and sinks to the bottom of the pool, which of the following statements is true? a.

What force would be needed to make a 10kg bowling ball accelerate down the alleyway with an acceleration of 3m/s2

If traveling at equal velocities, which object would have the most momentum

Which of the following happens when a material undergoes a phase change? a. The temperature changes. b. Heat flows into or out of the material. c. The chemical composition changes. d. The molecules break apart into atoms.

Friction between solids can be most accurately defined as the force that opposes the sliding motion of two surfaces that are touching each other. A. True B. False

1. For a reaction to occur, energy must be to break chemical bonds. O A released OB converted OC absorbed