Earth's Materials and Systems
Geosphere, Hydrosphere, Biosphere, and Atmosphere
What are Earth's 4 systems (or spheres)?
oil, natural gas, coal
What are nonrenewable resources?
24 hours
What is how long does it take for Earth to complete one rotation?
in ice caps and glaciers
Where is Earth's fresh water mostly found?
a force that causes objets to pull toward each other
What is gravity?
All living things belong to this sphere.
What is the biosphere?
A satellite that is no longer working, but continues to orbit Earth
What is space junk?
What is Earth's rotation?
in the ocean
Where is most of Earth's water found?
the star's size and its distance from Earth
What is apparent brightness of the star in the night sky?
water as a liquid or gas
What is the hydrosphere?
Chemicals released by the burning of fossil fuels by cars, trucks, and buses
What is smog?
This causes the moon's apparent motion across the sky during one day or night.
What is Earth's rotation?
about 3%
What is how much of Earth's water is fresh water?
Tell one fact about why the sun is so bright to us?
an ocean current that carries warm water from the Gulf of Mexico and the Caribbean into the North Atlantic.
What is the Gulf Stream?
Conserving resources and recycling
What are Ways people protect the Earth?
Because Earth's tilt on its axis as it revolves around the sun causing energy from the sun to strike one hemisphere more or less directly than the other.
Why do the northern and southern hemispheres have different seasons?
surface water
What is the smallest source of Earth's fresh water?
Orion shines bright in the dark winter sky, but an not be seen during the summer nights.
What is Earth revolves around the sun?
water from crashing waves evaporating into the atmosphere
What is coastal areas having rainfall patterns and different temperature ranges.
It can keep buildings cooler, reduce smog, and reduce water runoff
What is growing plants on building tops?
Earth's revolution around the sun and the tilt of its axis.
What are factors that produce Earth's seasons?
on the side od the mountain opposite the ocean
What is where a rain shadow forms?
virgo, canus major, sagittarius, pisces
What are constellations?