Earth's Rotation
Model with your body what "rotation" is.
Spinning in place
Model with your body what an "orbit" is.
moving around something else
What is the sun a type of?
Star
How long does it take the earth to rotate?
24 hours or 1 day
Model with your body what "revolution" is
moving around something else
What does the moon orbit around?
The earth
Stars that are closer will appear ____ and ____.
bigger and brighter
Why do we experience day and night?
The earth rotates so only one side of the earth receives sunlight at a time
What does the earth revolve around?
the sun
How long does it take the moon to orbit around the earth?
about one month
Stars that are farther away will appear _____ and ____.
smaller and dimmer
Show us an example of gravity.
various responses. jumping or dropping something to the floor
Why does it look like the sun moves?
The earth is rotating, so as we rotate the sun is at a different point of view
How long does it take the earth to revolve around the sun?
1 year or 365 days
What are the different shapes of the moon called?
The phases of the moon
Is the sun the biggest star? Explain how you know.
No. It only appears that way because it closest to earth.
Where does gravity pull objects?
to the center of the earth
Why are shadows shortest around noon?
The sun is the highest at noon so we don't block as much light, causing the shadow to be shorter
Why can we only see some constellations at certain times of year?
The earth is revolving around the sun and the sun blocks constellations on the other side
Why does the moon look different on different nights?
The moon orbits the earth and so receives a different amount of sun reflecting of it each day, causing it's "shape" to change.
what is a group of stars called that creates a picture?
A constellation
Tom says since gravity pulls down, that people would fall off the bottom of the earth. Explain Tom's error.
Gravity doesn't pull "down" it pulls to the center of the earth.