Simple Toys That Move

Science Geniuses needed!!!?
1. A real car moving at 10 km/h has more momentum then a toy car moving at the same speed because the real car ________.
Generates less friction, has greater mass, has less mass, or has greater forward motion.
2.Explain how seismic waves form.
3. A renewable organic matter that can be burned in the presence of oxygen to convert chemical energy to thermal energy is called ________.
4. Two simple machines that are part of a bicycle are a(n)________ and a(n) __________.
1 – Has more mass.
2 – Large movement of rocks
3 – Bio-Fuel
4 – Lever (crank) Pulley (Chain Wheel)
The Simple Toys