The Solar System
Sun, Earth, Moon
Math
Earth Systems
The Water Cycle
Save our Planet!
100
The number of stars in our solar system
1
100
Earth's ____________:the reason that shadows change and that we have day and night
rotation
100
A formula for volume
V = l x w x h OR V = b x h
100
Anywhere in, on, and around Earth where water can be found
hydrosphere
100
When the water droplets in clouds get heavy, this happens
precipitation
100
When someone brushes her teeth, before rinsing, they can do this to the faucet to help conserve water.
Turn it off
200
The number of planets in our solar system
8
200
It takes 365 days for the Earth to make one __________ around the sun.
revolution
200
Factor x Factor =
Product
200
Information such as facts and numbers used to analyze something or make decisions
data
200
This is the percent of the Earth's water that is salt water.
97%
200
Planting trees helps reverse this damage to the environment, which is what happens when people cut down trees and destroy forests.
deforestation
300
The path that a planet follows as it makes its revolution around the sun
orbit
300
This is the weak high tide that occurs when the moon is at a 90 degree angle from the sun, relative to the earth.
Neap tide
300
The answer to a division problem
quotient
300
The upper layer of soil. It is needed for plants to grow.
topsoil
300
2% of the Earth's water is fresh water, but we cannot access or use it. This is because it is in the form of
glaciers
300
This is when people throw litter on the ground and put damaging materials in the water and air.
pollution
400
A planet or sphere rotates on this invisible line.
axis
400
When the sun, earth, and moon are aligned, the gravity of the moon and sun causes this type of tide. It is especially high.
Spring Tide
400
1,025 divided by 25. The 1,025 is the biggest number and is called the _________.
dividend
400
Anywhere on Earth that life can be found.
biosphere
400
The largest source of fresh water that we can access is
groundwater
400
One of the reasons it is important to save water is because of all the water on Earth, we can only access and use this percent of it.
1%
500
Rocky bodies, smaller than planets, that orbit the sun
Asteroids
500
The Earth has two of these, one above the equator and one below the equator.
hemispheres
500
Multiplication is the ______________ of division, just like addition is the ___________ of subtraction.
inverse operation
500
rock or sediment that stores groundwater
aquifer
500
When water from runoff or precipitation soaks into the soil and rocks and becomes groundwater, it is called
inflitration
500
A person who is concerned with the environment and takes action to improve it.
environmentalist