Star Power
The Sun looks much larger and brighter than other stars because of this.
it is the closest star to Earth
Earth rotating on its axis once every 24 hours causes this cycle
day and night
This sphere includes all of Earth's rocks, soil, and landforms.
Geosphere
This percentage represents how much of Earth's water is salt water.
97%
Promoting public transportation and bicycles helps reduce this type of pollution.
air pollution
If Star X and Star Y produce the same amount of light, but Star X looks brighter, it means Star X is ______
closer to Earth
This is the season when the Northern Hemisphere typically has the longest days and most sunlight
Summer
When a volcano erupts and sends ash into the air, the Geosphere is interacting with this sphere
Atmosphere
Most of Earth's fresh water is not in lakes or rivers; it is trapped here.
ice caps and glaciers
This is a much better way to conserve water than using a swimming pool.
fixing leaky faucets (or turning off the tap while brushing teeth)
A star that looks very dim in the night sky might actually be very bright but is just ______.
extremely far away
We see different stars and constellations during different seasons because of this movement.
Earth’s orbit (or revolution) around the Sun
Ocean waves wearing away a rocky cliff is an interaction between the Geosphere and this sphere.
Hydrosphere
Out of 100 drops of Earth's water, only about this many would be fresh water.
3 drops
Planting trees is the opposite of what? (when people cut down lots of trees at one time)
deforestation
This is the name of the system used to measure how bright an object appears in our sky
magnitude system
This is the time of day when shadows are at their shortest.
noon
Plant roots breaking through a rock is an interaction between the Geosphere and this sphere.
Biosphere
Of all the surface water on Earth, this specific reservoir contains the smallest percentage.
rivers
Letting this natural source water your lawn is a great way to save resources.
rain