Special Days in the Year
Vocabulary
Sun and Heating
Moving in Space
The axis
100
True or False. There are less hours of sunlight in the summer.
False
100
What do we call a large, hot ball of gas?
Star
100

When it is summer in the Northern Hemisphere what season is it in the Southern Hemisphere?

Winter

100
What term means "traveling around something?"
revolution
100
What would happen is we had a zero degree tilt to our axis?
We would not have seasons.
200

What causes the seasons?

The Earth's tilt

200

The path that an object takes around a larger object is called

orbit

200

In the summer the axis points________ the Sun. In winter the axis points __________ _________ the Sun.

Summer the axis points TOWARDS the Sun. In winter the axis points AWAY FROM the Sun.

200
What do we call the path or length of time it takes one object to travel around another object?
An orbit
200
At what degree does Earth tilt on its axis?
23.5 degrees
300

The point in Earth's orbit at which daylight hours are at their greatest or fewest

Solstice

300

the force of attraction or pull between two objects

gravity

300

The Earth is always rotating and revolving. True or False

true

300
What term means "spinning on an axis"?
Rotation
300

What is an axis?

An imaginary line that the planet spins on.

400

What two seasons are there solstices? Bonus: What months are the two solstices?

Summer and Winter. Bonus: June and December

400

the tendency of an object to keep moving in a straight line

inertia

400

How many times does the Earth rotate in one year?

365.25 times

400
What is the shape of Earth's orbit around the Sun?
The Earth's orbit is slightly oval in shape.
400

What points does the axis pass through on Earth? (If you were to draw it where would it "stick out" of your Earth?)

The axis passes through the North and South Poles.

500

If it was the summer solstice what would you know about the length of the day?

The summer solstice is the longest day of the year. (The Sun shines for the longest number of hours).

500
each point in the Earth's orbit at which there is equal hours of darkness and daylight

equinox

500

As the Earth orbits the sun, it _______________, or spins on its axis

rotates

500

An imaginary line that passes through the Earth's center and its North and South Poles is called

Axis

500

How long does it take Earth to spin one complete ROTATION on its axis?

24 hours

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