Gravity
Tides and Eclipses
Orbits
How the solar system formed
The Moon
100
Gravity is a force of attraction between two objects due to their ______
A. Speed B. Velocity
C. Inertia D. Mass
D. Mass
100
What force of attraction between the moon and the water in the ocean causes tides?
Gravity
Gravitational Attraction
100
What is the shape of earth's orbit around the sun?
A. Circular
B. Rectangular
C. Elliptical
D. Trapezoidal
C. Elliptical
100
Which planet is not a gas giant?
A. Mars
B. Jupiter
C. Saturn
D. Neptune
A. Mars
100
True/False: Half of the moon is illuminated by the sun, regardless of what phase it is in.
True.
200
True/False Gravity pushes the earth away from the sun
False, the gravitational attraction between the sun and the earth pulls the earth towards the sun
200
During a lunar eclipse, the _____ casts a shadow over the ____________
earth, moon
200
How long does it take the earth to orbit the sun?
1 year (365.25 days)
200
Our solar system formed from a cloud of gas and dust in space called a _________.
Nebula
200
Which type of movement causes the phases of the moon.
A. The rotation of the moon on its axis
B. The orbit of the moon around the Earth
C. The rotation of the earth on its axis.
D. The orbit of the earth around the sun
B. The orbit of the moon around the Earth
300
True or False: The sun is the only object in the solar system that the earth experiences gravitational attraction to.
False
300
Which type of movement causes the tides to cycle between low and high twice a day in a location?
A. The orbit of the sun around the moon
B. The rotation of the earth on its axis
C. The orbit of the moon around the earth
D. The orbit of the earth around the sun
B. The rotation of the earth on its axis
300
True False: Planets farther from the sun take longer to orbit the sun because they are colder and the have a lower velocity
False: They take longer to orbit the sun because they have to travel farther to complete an orbit
300
Most of the mass in the solar system is inside of.
A. Asteroids
B. The rocky planets
C. The gas giants
D. The sun
D. The sun
300
Which type of movement causes moon to move through the sky at night?
A. The rotation of the moon on its axis
B. The orbit of the moon around the Earth
C. The rotation of the earth on its axis.
D. The orbit of the earth around the sun
C. The rotation of the earth on its axis.
400
If you moved two objects closer together, would the gravitational attraction between them become stronger, weaker, or remain the same
It would become stronger
400
Draw the arrangement of the sun, moon and earth during a solar eclipse
Wait for Drawing to be complete
400
Using the equation R3=P2, How long will it take a planet that is 4 AU from the sun to orbit the sun once?
8 Years
400
True/False: When the planets in our solar system formed, they all stayed in the exact same path of orbit from that moment until today
False: The planets orbits have changed in the past due to gravitational attraction between them and other objects in the solar system
400
Draw what a first quarter moon looks like in the Northern hemisphere
500
The strength of gravitational attraction between two objects is determined by what to factors?
Distance between the objects
Mass of the objects
500
Draw the arrangement of the sun, moon and earth that causes a spring tide
500
What is the equation that Kepler's third law create which we can use to determine the orbital period of any planet in the solar system
R3=P2
500
Why can gas giants only form beyond the frost line in our solar system
Because it's cold enough from hydrogen and helium to condense into a liquid
500
Explain how the moon formed using the impact theory
Long ago, Earth collided with another protoplanet. This collision launched rocks in orbit around earth, these rocks eventually formed into the moon