Gravity & Basics
What's Really Moving?
Patterns Over Time
Sun Facts
Stellar Curveballs
100
The force that pulls objects and organisms towards Earth's center
Gravity
100
The Sun appears to rise in the _____ and set in the _____.
East; West
100
Approximately how long does it take Earth to complete one orbit around the sun?
365 Days
100
What are the characteristics of a star?
Make it's own light, high temperature, made of gas
100
True or False: If a star is dim from Earth, it means it is far away.
True
200
Which of these are an example of gravity?
a) a tree falling in the forest
b) dropping a pencil
c) an airplane flying in the sky
A and B
200
Stars appear to to move across the night sky because of this.
Earth's rotation
200
During which season is the sun highest in the sky at noon in the Northern Hemisphere?
Summer
200
The closer a star is to Earth, the ______ and _______ it appears.
brighter; larger
200
This is the length of time it takes for the moon to complete all of it's phases.
Appx. 30 days
300
True or False: Gravity only affects some of the matter on Earth.
False. It affects all matter.
300
At what point in the day is the Sun's angle at its highest?
Noon/midday
300
This is the reason why we see different constellations during different seasons.
Earth revolves around the Sun changing our view of space
300
The Sun is mostly made of these two gases.
Hydrogen and Helium
300
During what season is the Sun at its lowest in the sky?
Winter
400
No matter what _____________ you live in, gravity is always pulling you down.
hemisphere
400
How is it possible for it to be nighttime in India and morning in New Zealand at the same moment?
Different parts of Earth face the sun at different times due to Earth's rotation.
400
Why can't you see Pegasus in the spring night sky?
It is located on the opposite side of the Sun from where Earth is during spring.
400
Which of these statements is true?
a) The Sun is a planet.
b) The Sun is larger than all the planets and stars.
Neither-- both are false.
400
True or false: Stars are made of gas and orbit the sun.
False.
500
Three reasons why we know Earth is round and not flat
1) images from space, 2) you can see more of Earth's surface when you climb up high, 3) when watching a ship on the water, you see the top of the ship from a distance and then the bottom part as it gets closer
500
If Earth suddenly stopped rotating but kept orbiting the sun, what would happen?
One side of Earth would only experience day and the other would only experience night.
500
Moon phases are different from season changes for these 2 reasons
Moon phases are caused by the moon orbiting Earth and while seasons are cause by Earth's tilt and it's orbit around the Sun
500
Two stars look equally bright in the sky. One is 50 lightyears away and one is 500 lightyears away. What can you infer?
The further star is much larger making it appear similar in brightness
500
This star is about 1,000 times bigger than the Sun.
Betelgeuse