Gravity
Which of these is an effect of gravity?
a. a tornado forming b. a volcano erupting
c. a rocket blasting into space d. snow tumbling
down a mountain
snow tumbling down a mountain
How would the sun look to people if it were farther from Earth? Name two things.
dimmer and smaller
Why don't the same star patterns appear in the sky every day of the month?
Earth rotates
Why are there moon phases?
Because the moon orbits earth while Earth is revolving around the sun.
Which of these is an exaample of the effect of gravity?
a. boat floating down a river b. arrow being shot at
a target
c. gopher digging into the ground d. satellite dish being held in orbit around Earth
D a Satellite dish being held in orbit around Earth
Where is the most likely you will see the sun at 7:00 a.m?
a. north b. south
c. east d. west
c. east
You look at four stars in the sky. They are the same size and shape, but when you look at them, they look like they have different sizes. Why is that?
Because the star that is the brightest is the closest to Earth.
At what phase is the moon the darkest?
New moon
Which direction does gravity pull?
Down
Is the sun a planet?
No
The closer the star is to Earth, the __________ it will be.
dimmer
The moon is bright on the right side and dark on the left, which phase is it in?
Last quarter
Gravity acts on objects when they are moving.
True False
True
The sun is larger than all the planets and stars.
True or false?
False
One star is 25 light years from Earth and has a 0.03 visible brightness. Another star is 41 light years from Earth and has a 0.08 visible brightness? Which star is brighter and why?
The star that is 41 light years away because the farther away from Earth it is, the more you can see all of it.
The crescent moon is lit on the left side of the moon. What phase is this?
Waxing gibbous
Why would a book fall more quickly off a desk than a piece of paper?
The force of gravity is greater with a book due to its weight.
What causes sunrise and sunset?
The orbit around the sun
Why does the shadow of an object change during the day?
Earth is rotating.
What is the opposite of waning gibbous?
Waning crescent