Is the formation of rust on an iron nail a chemical change or a physical change? Explain your answer.

If she has a mass of 45kg and is 25 meters high, what is her potential energy?

Consider dropping a ball from rest. This ball moves from astate of high gravitational potential energy to one of lowgravitational potential energy as it falls to the ground.

Candace is interested in learning more about colors. Which question about colors could be answered through scientific investigation?

The temperature of water in is 45 dgrees celsius. What does this measurement represent?

If a box is on a ramp and is motionless, what is true about the forces acting on the box? A. They are all equal. B. Their net value is zero. C. They all add up to the weight of the box. D.

What does the slope of a line of best fit represent

A bowling ball is pushed with a force of 22.0N and accerlates at 5.5 m/s square. What is the mass of the bowling ball A - 4.0 kg B-0.25 kg C-25 kg D-4.00 kg

How to eat butter. I want to know how you all eat the butter.

What is the transfer of heat through a solid as a result of molecular action called? radiation convection conduction magnetism?

Explain the process of synaptic transmission, beginning with the neurotransmitters at the axon terminal of the presynaptic cell and ending with the impulse being sent down the postsynaptic cell.