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The Solar System and Beyond
Chapter 8
47
Science
4th Grade
02/08/2012

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Cards

Term
Rotation
Definition
The spinning of an object around a center point
Term
axis
Definition
a real or imaginary line that an object spins around
Term
revolution
Definition
one complete trip around an object in a circular path
Term
crater
Definition
a hollow area or pit in the ground
Term
phase
Definition
an apparent change in the Moon's shape
Term
solar eclipse
Definition
the Moon making a shadow on Earth
Term
solar system
Definition
the sun and all the objects that travel around it
Term
planet
Definition
a round object in space that travels around the sun
Term
gravity
Definition
a force of attraction between all objects
Term
telescope
Definition
a tool that makes objects look closer and larger
Term
comet
Definition
a chunk of ice, rock, and dust that moves around the sun
Term
star
Definition
a ball of hot gases that gives off light and heat
Term
constellation
Definition
a group of stars that make a pattern in the night sky
Term
What does the Earth's rotation cause?
Definition
Day and night.
Term
How much of the Earth always faces the sun?
Definition
Half
Term
What is apparent motion?
Definition
The way something seems to move.
Term
Earth's rotation causes the Sun's______.
Definition
Apparent motion
Term
When does a shadow is forms when?
Definition
Light is blocked
Term
How long does it take for the Earth to travel around the sun?
Definition
365 1/4 days.
Term
Is Earth's axis titled?
Definition
Yes, at an angle.
Term
What causes the seasons?
Definition
The axis and the revolution of the Earth.
Term
What month does the North Pole face the sun?
Definition
June
Term
In the Northern Hemisphere in June, is the sunlight strong or weak?
Definition
Strong, it is summer there then.
Term
In the Northern Hemisphere in December, is the sunlight strong or weak?
Definition
Weak, it is winter there.
Term
In the summer the Sun rises much higher or lower?
Definition
Higher
Term
In the summer what does the sun do?
Definition
It rises earlier and sets later. This is because the Earth it titled toward the Sun.
Term
How does the sun hit the equator?
Definition
The sun hits the Earth's surface there the same all year long.
Term
In the winter where does the sun sit in the sky, high or low?
Definition
Low
Term
Is the Sun's apparent path different or the same in summer and winter?
Definition
Different
Term
What is the Sun's apparent path near the equator?
Definition
It stays the same.
Term
Near the poles is the Sun's apparent path very different between seasons?
Definition
Very different.
Term
Does the Sun's apparent path stay the same every year?
Definition
Same every year.
Term
Does the moon make its own light?
Definition
No
Term
How does the moon get its light?
Definition
The moonlight is reflected sunlight.
Term
Does the moon have atmosphere?
Definition
The moon has no atmosphere.
Term
Does the moon have water?
Definition
The moon has no water.
Term
Is the moon hot or cold during the day?
Definition
Hot
Term
True or Falsh
Are the nights colder than any place on Earth?
Definition
True
Term
True or False
Does the moon revolve around the Earth?
Definition
True
Term
How long does it take the moon to orbit the Earth?
Definition
29 days
Term
What is the name for the apparent shapes of the moon?
Definition
phases
Term
How much of the moon is lit by the sun at a time?
Definition
Half
Term
What are four of the moons phases?
Definition
New moon, first quarter moon, full moon, and third quarter
Term
Does the moon gravity?
Definition
Yes
Term
Does the moon have pull on Earth?
Definition
Yes, a little
Term
What causes tides on Earth?
Definition
The moon's gravity
Term
What are tides?
Definition
The rise and fall of the ocean's surface.
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