Forms of Energy and Transformations
What is energy?
The ability to do work or cause change
What causes day and night?
Earth's rotation on its axis
What is an investigation?
A process to answer a question
Name two forms of energy.
Example: Light and heat (teacher will approve other answers)
What is the water cycle?
Movement of water through evaporation, condensation, and precipitation
What is a variable?
Something that can change in an experiment
What happens when light hits a dark surface?
It is absorbed and changes to heat
Name two factors that affect weather.
Example: Temperature and humidity (teacher will approve other answers)
Why do scientists use models?
To represent things that are hard to observe directly
Explain how energy moves in a circuit.
Electrical energy flows through wires
Why do we have seasons?
Earth's tilt and orbit around the Sun
What is the purpose of repeating experiments?
To confirm results
Why does energy transform in machines?
To perform useful work
What drives the water cycle?
Energy from the Sun
Why is accurate data important?
It helps make reliable conclusions