Forms of Energy
What is energy?
The ability to do work or cause change
What is energy transformation?
Changing energy from one form to another
What does the Sun provide to Earth?
Light and heat
What is an observation?
Using senses to gather information
Name two forms of energy.
Example: Light and heat (ask teacher about other answers)
Give an example of energy changing from electrical to light.
Example: A lamp turning on (ask teacher about other answers)
Name the planets closest to the Sun.
Mercury, Venus, Earth
What is a hypothesis?
A possible answer to a question
What form of energy does the Sun give us?
Light and heat energy
What happens when you eat food?
Chemical energy changes to motion and heat
Why do we have day and night?
Earth rotates on its axis
Why do scientists use experiments?
To test ideas and learn
Explain how sound energy travels.
Through vibrations in matter
Explain how energy changes in a toaster.
Electrical energy changes to heat
What causes the seasons?
Earth's tilt and orbit around the Sun
What is data?
Information collected during an investigation
Why is energy important for living things?
It helps them grow and move
Why do we need energy transformations?
To use energy in different ways
What is a star?
A ball of hot gases that gives off light and heat
Why is it important to repeat experiments?
To make sure results are accurate