A: Matter & Energy
The three common states of matter are solid, liquid and ___.
Gas
Earth
Animals that eat only plants
Herbivores
Force
A test you do to find out if your idea is correct.
Experiment
The ability to do work or cause change.
Energy.
The layer of Earth where we live (crust, mantle or core).
Crust
The process plants use to make their own food using sunlight.
Photosynthesis
The force that slows objects down when they rub against each other.
Friction
An educated guess that can be tested.
Hypothesis
Energy that comes from the Sun and can be turned into electricity using panels.
Solar
The force that pulls objects towards Earth's center.
Gravity.
An animal without a backbone.
Invertebrate.
The speed of something in a certain direction.
Velocity
Using your senses to notice and describe something.
Observation
When a liquid turns into a solid because it loses heat.
Freezing
The path a planet takes around the Sun.
Orbit
The smallest unit of life that makes up a living thing.
Cell
What law says an object will keep moving unless a force stops it?
Newton's First Law (Inertia)
Information collected during an experiment.
Data
The type of energy stored in food and released when your body uses it.
Chemical
The imaginary line that Earth spins around, causing day and night.
Axis
A group of the same kind of organisms living in the same area at the same time.
Population
A car travels 60 miles in 2 hours. What is the average speed in miles per hour?
30 mph
Find the experimental mistake: A student tests which paper towel is the strongest but uses different amounts of water each time.
Not controlling variables / keeping the conditions the same for each trial.