This is anything that has mass and takes up space.
What is matter?
Plants produce these 2 things during photosynthesis.
What are oxygen and glucose (sugar)?
Energy from the sun that helps warm Earth.
What is light energy?
This property describes how much space an object takes up.
What is volume?
A lamp changes electrical energy into these two forms of energy.
What are light energy and heat energy?
When salt is mixed with water and seems to disappear, it has done this.
What are dissolve?
Rubbing your hands together transfers energy and produces this.
What is heat?
Matter most commonly exists as these three states.
What are solid, liquid, and gas?
The measure of distance an object moves in a given time.
What is speed?
This takes about 29.5 days.
What is the moon's revolution around the Earth?
When a bell rings, the bell’s movement transfers energy to the air as this.
What is sound energy?
When a new substance forms, this kind of change has happened.
What is a chemical change?
In a complete circuit, electrical energy can be transferred to a bulb, a motor, or a buzzer to make light, motion, or _____.
What is sound?