Earth's Systems
Movement and Sizes in Space
The Moon
Seasons and Daylight
Vocab
More Vocab
100
This system contains all water on Earth.
Hydrosphere
100
How long does it take for the Earth to revolve around the Sun?
365 days
100
Why are we able to see the Moon illuminated at night?
The Moon reflects the light from the Sun.
100
When the North Pole is tilted TOWARDS the Sun, what season is it in the Northern Hemisphere?
Summer
100
True or false: the changing visible shapes of the Moon are called phases.
True
100
All existing matter in space.
Universe
200
This system contains rock, soil, and minerals.
Geosphere
200
The path one object travels as it revolves around another object.
Orbit
200
What is the moon phase called?
First Quarter
200
When the North Pole points AWAY from the Sun, what season is it in the Northern Hemisphere?
Winter
200
The planets, their moons, and the other smaller bodies that orbit the Sun.
Solar System
200
The movement of an object in an orbital path.
Revolution
300
This system contains the air we breathe.
Atmosphere
300
Why do we use models and scale models to represent our solar system?
Traveling to space is difficult and expensive. We can use scale models to observe patterns and sizes in space without going to space.
300
What type of eclipse is being shown below?
Solar eclipse
300
True or false: the closer you are to the Equator, the more the average daylight changes from season to season.
FALSE
300
A system of millions or billions of stars, gas, and dust held together in a cluster by gravity.
Galaxy
300
A round body that orbits the Sun in a clear path.
Planet
400
This system contains all life on Earth, including plants, animals, and microbes.
Biosphere
400
About how many Earths would fit in a hollow ball as large as the Sun?
1,000,000
400
What type of eclipse is being shown?
Lunar eclipse
400
When we are in the Northern Hemisphere, our shadows are pointing in what direction?
North
400
True or False: A solar system can exist without a star
FALSE! A solar system is ONE star, and all the objects moving around it.
400
When Earth ___________ one time, it is one day.
Rotates
500
How is each system involved/affected when a tornado occurs?
Atmosphere: wind and thunder clouds create a tunnel of wind
Hydrosphere: water is polluted by spilled chemicals and debris
Biosphere: people and animals can lose their shelter or get hurt
Geosphere: soil can blow away and affect crops
500
If we create a model with the Sun the size of a basketball, what object would best represent Earth?
- A ping-pong ball
- An orange
- A thumbtack head
- A soccer ball
A thumbtack head
500
How many cities are experiencing a partial total eclipse?
6: Sacramento, Los Angeles, San Diego, Dallas, Chicago, Washington DC
500
Look at the shadow: What position do you think the Sun is in?
3
500
List the below objects in order from smallest to largest.
star
solar system
galaxy
planet
SMALLEST to LARGEST is....
planet, star, solar system, galaxy
500
True or False: The Sun is the biggest star in the universe because it is the biggest and brightest star we see.
FALSE: The Sun is a star, but it appears bigger and brighter than other stars because it is the closest star to us.