Vocabulary
Gravity
Force that pulls something to something else
Name the planets in order
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Our star is called...
the sun
Does the moon exist?
Yes, you silly person.
Why do astronauts sometimes get nasal congestion in space?
There is no gravity, so the pressure builds, causing sinus issues and stuffy noses.
Rotation
Something that moves around its own axis.
Name one inner planet.
Could be: Mercury, Venus, Earth, Mars
What does magnitude measure?
How bright a star is
What is one thing that's unique about the moon, compared to Earth?
Possible answers: no gravity, weight can't be measured
Constellations are important to different cultures, because they have...
Orbit
What separates the inner planets from the outer planets?
The asteroid belt
A solar system is what?
planets and other celestial objects that orbit around a sun
How many days does it take the moon to go through an entire cycle?
Between 28 and 30 days
About a month ago, a couple of astronauts were going to fix a part of the International Space Station. But their plan was postponed. Why?
Too much space trash
Diameter
How wide a sphere is (measure from one side to the other)
True or false: All planets have at least one moon.
False. Venus and Mercury don't have moons.
What are solar panels?
They take energy from the sun and convert it into electricity.
Why does the moon have cycles?
The moon is illuminated by light from the sun, which observers on Earth see reflected off the lunar surface. As the moon moves around Earth, the amount of illumination it receives from the sun changes, creating the lunar phases. The moon completes a single lunar cycle in about one month
What is the biggest planet?
Jupiter
Conversion
Mathematically changing one unit of measurement into another (ex. miles into inches)
What are the inner planets made out of?
Rock; has a core
The chemical elements that make up our sun are:
Helium and hydrogen
True or False: The moon rotates around its axis.
True. It's just so slow, we can't see it. It takes about a month for it to do so.
How do the seasons happen?
The earth is tilted at 26.3 degrees. This angle doesn't change. As it orbits around the sun, the sunlight hits different parts of the earth, warming it in different places and causing seasons.