Earth
Tides
Seasons
Moon
Sun
Misc.
100
Earth rotates on its axis once every ...
What is 24 hours
100
Tides are at their peak during these moon phases becasue the pull of gravity is the strongest.
What are the Full moon and new moon
100
Earth is tilted toward the sun and there are more hours of daylight. What season is it?
What is Summer
100
What are the phases of the moon in order?
What are the New moon, waxing crescent, First Quarter, waxing gibbous, Full moon, waning gibbous, Third Quarter, waning crescent, new moon
100
In what part of the Sun does nuclear fusion occur?
What is the core?
100
path an object takes when revolving around another object
What is an orbit?
200
Earth's rigid outer layer
What is the lithosphere?
200
universal force that attracts, or pulls, all objects that have mass toward one another
What is gravity?
200
Winter is colder because ________________.
What is the Earth is tilted away from the sun.
200
The moon is an example of a natural what?
What is a satellite?
200
area of the Sun where energy is transferred by flowing gases
What is the convection zone?
200
a star and the planets, moon, and other objects that revolve around it.
What is a solar system?
300
Earth's atmosphere helps to protect from these two things
What are meteoroids and the Sun's dangerous rays
300
The pull of the Sun's gravity and a planet's forward motion cause the planet to ____________.
What is stay in orbit?
300
Name the Sun's three main layers.
the corona, the chromosphere, the photosphere
300
smooth, flat plains on the moon that appear as dark patches
What are maria?
300
The object in space that is a hot, ball of gas and fire.
What is the Sun?
300
rocky space object that revolves around the Sun, mostly in a region between Mars and Jupiter
What is an asteroid?
400
The amount of gravitational force between two objects depends on their distance apart and their _________.
mass
400
When the Moon moves into the Earth's shadow
What is a lunar eclipse?
400
In this diagram, North America is experiencing winter because?
What is North America is on the side of the Earth not facing the Sun directly.
400
What season is North America and the Earth's axis tilted directly away from the Sun.
What is winter?
400
How did scientists discover that the Sun is made up mostly of the gases hydrogen and helium? Include the name of the tool in your answer.
Scientists used a spectrometer to study the Sun's visible spectrum which showed the presence of helium and hydrogen.
400
What shape is the Milky Way galaxy?
spiral
500
How many revolutions does Earth complete in one year?
What is one?
500
During the first quarter moon, and the last (third) quarter moon the high tides aren't quite so high because of this?
Neap tide - the pull of gravity from the moon and the sun are working against each other.
500
What is the difference between a solstice and an equinox
A solstice is when the Sun's rays are the farthest north or south. An equinox is when the rays are equally directed at the equator
500
What evidence indicates that the Moon has been hit by many meteorites?
What are craters?
500
What is a light year and why do astronomers use it?
distance that light can travel in one year. Astronomers use it because distances in space are so huge
500
What did scientists discover about the Sun by observing the changing locations of sunspots?
The sun rotates