Seasons
True or false? All places on Earth experience all four seasons.
False
What is the definition of orbit?
The path an object follows as it moves around another object.
We always see the same side of the moon from Earth,
True or False?
True, as the moon revolves around the Earth, the moon rotates so that the same side is always facing the Earth.
Definition of gravity
A force of attraction
What is the process by which plants make their food?
Photosynthesis
Why do we experience seasons?
Earth is tilted on its axis as it orbits the sun, making the hemisphere titled toward the sun receive more sunlight
What is the definition of revolve?
To move in a circular orbit around another object.
Is the moon Earth's only natural satellite?
Yes
Does gravity affect the ocean currents and/or waves?
Ture!
What are the three states of matter?
Solid, Liquid, Gas
What is the difference between solstice and equinox?
The solstice changes langth the day and night, while the equinox does not.
What is the definition of waning?
The period after a full moon when the moon's visible surface decreases.
what would happen if we didn't have the moon?
The earth's tilt could vary wildly and mess up the seasons.
What two factors impact the force of gravity?
Mass and distance.
What is the formula for density?
D = m/v
True or false the sun always rises and sets in the same place?
False
A tide just after a new or full moon, when there is the greatest difference between high and low water?
Spring tide
How many days does it take for the moon to orbit the Earth fully?
It takes 27 days
Which planet has the strongest gravitational attraction to the Sun?
Mercury
What is the layer of mixed gasses around the Earth called?
Atmosphere
Does gravity affect the seasons?
Yes it does
An imaginary line an object rotates around.
Axis
What is the distance between the earth and the moon?
240,000 mi or 385,000 km
Do you weigh less on the equator than on the North Pole?
Yes you do
What is the study of celestial objects?
Astronomy