What is the major source of energy that powers the water cycle?
The Sun
Three common states of matter
solid liquid gas
This is the scientific word for a push or a pull.
force
It takes this exact amount of time for Earth to make one complete revolution around the sun.
365 days
Animals that must eat other plants or animals for energy are called what?
consumers
what is the process when liquid water changes into a gas called water vapor?
Evaporation
What property of matter is measured using a balance or scale?
mass
The invisible force that pulls objects down toward the center of the Earth.
Gravity
The group of four rocky planets closest to the sun
Mercury Venus Earth and Mars
When an animal blends into its background to hide from predators, it is using what strategy?
camouflage
what is the step where water vapor turns back into liquid water to form clouds?
Condensation
What do you call a combination of two or more substances where each keeps its own physical properties?
A mixture
To calculate speed, you divide the distance traveled by?
Time
These remains or traces of ancient plants and animals are found trapped in sedimentary rock.
Fossils
If an owl eats a mouse that ate grass, the owl is known as what level consumer?
secondary consumer
Which tool measures how hot or cold the air is?
A thermometer
True or False: All solutions are mixtures, but not all mixtures are solutions.
True
The force that works against or slows down motion when two surfaces touch each other
Friction
Without this specific feature of Earth's axis, we would not experience changing seasons.
The tilt of the axis
Some animals fall into a deep sleep-like state during the winter to save energy. What is this called?
hibernation
This forms when a cold air mass pushes under a warm air mass, often bringing sharp storms.
A cold front
This state of matter has no definite shape and no definite volume, and its particles spread out to fill its container.
Gas
If a car travels 120 miles in 2 hours, this is its average speed.
60 mph
This invisible pulling force keeps all the planets and moons in their orbits.
Gravity
This hot and wet biome near the equator has the greatest variety of plant and animal species.
Tropical Rainforest