Which descriptions best fit the labels? X: kinetic energy Y: potential energy X: potential energy Y: kinetic energy X: mechanical energy Y: electrical energy X: electrical energy Y: mechanical energy

Pure substances are made up of a single elements or compounds

All objects at any temperature emit radiant energy true or false

What are two interchangeable terms with radiation?

Scientists tracking a flock of ducks found that they fly 740 km south in 12 hrs. What is their speed and velocity?

What physics is involved for a passenger feeling pushed backward into the seat of an airplane when it accelerates along the runway during takeoff?

Which of the following statements about Em waves is true? A. Em waves all have the same speed B. Em waves all have the same wavelength C. Em waves only travel through water D. Em waves all have the same amount of energy

A teacher has asked four students to state a scientific theory. Which student is correct?

What are the two main currents that affect the US on the east and west coast?

What role do volcanoes play in the flow of energy and cycling of matter on earth?

How does uniform linear motion differ from uniform circular motion?