Forms of Energy
What type of energy is energy of motion?
Kinetic energy
Does a moving bike have kinetic or potential energy?
Kinetic energy
Does a book on a shelf have kinetic or potential energy?
Potential energy
When a ball falls, it changes from gravitational potential energy to what type of energy?
Kinetic energy
What type of energy is stored in food and fuel?
Chemical energy
Which has more kinetic energy: a slow-moving truck or a fast-moving car?
The fast-moving car
What type of potential energy depends on height?
Gravitational potential energy
What energy change happens when you turn on a flashlight?
Chemical → light energy
What form of energy is stored due to an object’s height?
Gravitational potential energy
What happens to kinetic energy when an object speeds up?
It increases
Which has more potential energy: a throwing a ball or a ball on a table?
The ball on the table
What energy transformation happens in a roller coaster going downhill?
Potential → kinetic energy
What type of energy travels in waves, like light and radio waves?
Electromagnetic (radiant) energy
Name two factors that affect how much kinetic energy an object has.
Mass and speed
What happens to gravitational potential energy as height increases?
It increases
What happens to gravitational potential energy as height increases?
It increases
What form of energy is stored in stretched or compressed objects like springs?
Elastic potential energy
If two objects have the same speed but different masses, which has more kinetic energy?
The object with more mass
A stretched bow before releasing the arrow has what type of potential energy?
Elastic potential energy
Describe the energy changes when you jump after eating
Chemical → potential → kinetic