What is the energy of motion?

When do you add forces together?

When do you subtract forces?

What element contains 37 protons and 1 valence electron?

2 students are working to build a birdhouse. Student 1 applies a force of 10 N to a wooden board in order to slide it across the table. If the force of friction resisting the student’s push is 4 N, what is the net force acting on the board?

Potential or Kinetic: A pencil falling off a desk

When would a skateboarder have the most potential energy? (at the top, bottom, or middle of the hill)

A car speeding up or slowing down is an example of what?

What is the law of conservation of energy?

Two liquids are added together in a beaker. A precipitant is formed. What kind of change is this?

Potential or Kinetic: A car parked in a parking lot

A train travels 25 km in .5 hrs. How fast is the train going?

What is the definition of force?