Stars
What size is the sun?
Medium
What color is the sun?
yellow
a tool that makes far away objects look bigger and closer
a telescope
_______ and ________ clump together in space to form a star
gas and dust
The measure of how hot or cold something is
Temperature
What are the 2 forms of energy provided by the sun?
Light energy and Heat energy
True or False
The sun looks bigger because it has more energy than other stars.
False
Why do most stars look like tiny points of light?
Because they are so far away
The coolest stars are what color?
Red
A tool used for measuring temperature
thermometer
How far away is the sun from Earth?
93 million miles
How many times bigger is the sun than the Earth?
a million times bigger
What do you call the kind of energy that can move through space.
radiant energy
The hottest stars are what color?
Blue
True or False
Scientists use texture and size to classify stars
False- scientists cannot use texture to classify stars
Which part of the sun is the hottest?
The core
Why does the sun have a stronger force of gravity than the Earth?
Because it has more mass
Why can't we see stars during the day?
The sun's light is too bright. It's the only star we can see during the day.
an exploding star is called a .......
supernova
how will the sun's color change over time?
eventually it will turn red
How long does it take light from the sun to reach Earth?
8 minutes
Why is a mountain top a good place to observe stars?
Because it is far away from city lights that make it harder to see the stars.
Which is an observation?
A. A telescope makes far away stars look closer and bigger.
B. Stars are pretty when they twinkle in the sky at night.
A is an observation
B is an opinion
Name 2 sizes of stars
Giant, Supergiant, dwarf
the amount of light that reaches your eye
brightness