My teacher wants us to make something about energy. for instance define kinetic energy. then we need to build something that represents it. in a past time i did volume and used a graduated cyclometer that i filled up with water and froze. this unit is energy, so anything that has to do with energy. give me a few ideas on what i can do as well as where i can find the supplies! before the weekend (first weekend in march) urgent! best idea will get brainest and a !

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.