Earth rotation and Revolution
Earth going in a circle on its axis.
What is rotation?
The force that attracts one object with mass to another object.
What is gravity?
Made of gas and has a small core.
What is a gas giant?
Half of this object is always lit because the sun’s rays reflect off of it.
What is the moon?
The four seasons that can be experienced here on Earth.
What is spring, summer, fall, and winter?
This revolves around the sun.
What is the Earth?
The amount of matter that an object has.
What is mass?
Unit to measure the distance from the Earth to the sun.
What is the Astronomical Unit (AU)?
Occurs when one celestial body blocks light to another celestial body.
What is an Eclipse?
A period of the year characterized by particular conditions of weather, and temperature.
What is season?
The movement of one object around another object.
What is revolution?
The tendency of an object to resist motion.
What is inertia?
Space rock that has landed on Earth’s surface.
What is a meteorite?
Does the moon rotate clockwise or counterclockwise?
What is counterclockwise?
When this part of the Earth is pointed away from the sun, that part of the Earth has this season.
What is winter?
This rotates on its axis.
What is Earth?
The 2 factors that affect the force of gravity
What is distance and mass?
Something that represents things we cannot view easily, either things that are very small or very large.
What is a model?
The phases of the Moon depend on its position in relation to these two things.
What is the sun and Earth?
Longest day of the year, on June 21st.
What is the summer solstice?
The Earth spins on this imaginary line down the middle, which is why the Earth is tilted.
What is the Earth's axis?
The two things that must be balanced for a planet to remain in orbit around the sun?
What is gravity and inertia?
The closer a planet is to the sun, the smaller its ______.
What is mass?
occurs when Earth’s shadow blocks the sunlight from getting to the moon.
What is a lunar eclipse?
Describe the sun’s intensity in the Northern Hemisphere for each season.
More intense rays during the summer, less intense rays during the winter.