General science
What tool is used to measure temperature?
A Thermometer
What causes the seasons on earth?
Earth's tilted axis
What kind of energy comes from the sun?
Solar energy
What is an example of electrical energy we use everyday?
Lights, computers, or phones
What is chemical energy?
Energy stored in the bonds of atoms and molecules.
What do scientists use to make predictions?
Hypothesis
What is the hardest natural substance on Earth?
Diamond
DOUBLE POINTS!!!!
What is a push or pull on an object called?
A Force
*DOUBLE POINTS*
True or False
Lightning is a natural form of electrical energy?
True
*Double Points*
When you burn paper, what type of change happens?
A chemical change (new substances are made)
What process is the process of carefully watching something to gather information?
How long does it take the Earth to orbit the Sun once?
1 year (365 days)
True or False Heat can make solids turn into liquids?
True
What do we call the path that electricity travels through?
A circuit
Where is chemical energy found?
In food, batteries, fuels, and living things
What are the 3 states of matter?
Solid, liquid & gas
True or false
The moon makes it's own light?
False!! It reflects sunlight
What happens to water when it boils?
It turns into water vapor (a gas).
Where does electrical energy come from?
Power plants, batteries, and renewable sources like wind or solar energy.
True or False
Chemical energy can change into other forms of energy?
True
What gas do humans exhale that plants need for photosynthesis?
Carbon dioxide (CO2)
What is the center of our solar system?
The sun
What type of energy allows us to hear sounds?
Sound energy
What is electrical energy?
Energy caused by moving electric charges
When is chemical energy released?
When a chemical reaction happens — like burning or digestion