Types of Energy
What type of energy does a moving object have?
Kinetic Energy
Can energy be created or destroyed?
No
What variable is changed by the scientist?
Independent variable
A toaster changes electrical energy into what form of energy?
Thermal Energy
What force pulls objects towards Earth?
Gravity
What type of energy is stored in food?
Chemical Energy
When a battery-powered toy is switched on, is energy created or transferred?
What variable is measured during an experiment?
Dependent variable
A torch changes electrical energy into what useful form of energy?
Light Energy
What planet is known as the Red Planet?
Mars
What type of energy is stored in a stretched rubber band?
Elastic potential energy
When a battery-powered torch is switched on, where is energy transferred from?
Battery
What variables are kept the same?
Controlled variables
A speaker changes electrical energy into what form of energy?
Sound energy
What gas do humans need to survive?
Oxygen
What type of energy does an object have because of its height?
Gravitational potential energy
When a person rides a bike, where does the energy originally come from?
Food
What is a prediction made before an experiment called?
Hypothesis
A solar panel changes light energy into what form of energy?
Electrical energy
What is the main gas in Earth's atmosphere?
Nitrogen
Which two types of energy are involved when a diver jumps from a diving board?
Gravitational potential and kinetic energy.
What law states that energy cannot be created or destroyed?
Law of Conservation of Energy
Why should an experiment be repeated multiple times?
Improve reliability
A plant changes light energy into what stored form of energy?
Chemical Energy
What is the smallest unit of an element?
Atom