The movement of the earth around the sun
revolution
Atomic fusion on the sun is taking place in the ______
core
The lowest energy waves coming from the sun, with long wavelengths, are called _________ waves
radio
A natural mineral that is valuable enough and in high enough concentrations that mining it would be profitable.
ore
True or false: The moon takes 27.32 days to revolve once around Earth, and it takes the same amount of time to turn on its axis.
True
The movement of the earth around an axis
Rotation
What most closely matches the amount of days it takes for the earth to orbit the sun?
365.25
The region of asteroids beyond the orbit of Neptune is the _________ belt.
Kuiper
When the moon moves into the shadow of the earth, cast by the sun.
lunar eclipse
When water becomes hypoxic, it means it lacks _____
oxygen
Asteroids that come within 120 million miles of Earth
near-earth asteroids
About how many degrees is the earth’s axis tilted, with respect to its path around the sun?
23.5
The flow of charged particles that are emitted from the sun and travel towards the earth is called the:
solar wind
What is created when large concentrations of veins of minerals are found in an area?
lode
What in the northern hemisphere, refers to the day of the year that has the longest number of daylight hours, and falls near June 21st
summer solstice
Earth’s seasons are created because of the earth’s ___________.
Revolution and tilt
This part of the sun has temperatures of around 1,000,000 ºC, speeding up the sun’s particles so they are fast enough to escape the sun’s gravity.
corona
An arch of dense plasma, anchored to the photosphere of the sun and extending into the corona is called a:
prominence
Non-renewable resources like coal, petroleum, or natural gas made from the remains of microorganisms and plants are called _______ _______
fossil fuels
This refers to the day of the year, in the northern hemisphere, when the number of sunlight hours equals the number of night hours near September 22nd
fall equinox
The location of the earth in the solar system that allows it to have liquid water available for use refers to Earth being in the __________ zone.
habitable
This part of the sun emits visible light and is the layer of the sun’s atmosphere we see from Earth.
photosphere
A continuum of light waves arranged from the highest to lowest frequency, including radio waves, visible light, and gamma rays is called ________ ________
electromagnetic spectrum
Large deposits of minerals or ores along a riverbank, carried there by erosion of sediment are called _______ deposits
placer
Lands that border aquatic areas and contain large amounts of plant life are known as _________ zones
riparian