Stars
The Sun
Gravity
Nature of Science
100
True or False:
All stars are the same size.
False
100
What form of energy does the Sun emit that allows us to see?
Light
100
What is gravity?
Gravity is a force that pulls all objects to Earth.
100
When using your five senses to gather information, you are _______.
Making observations
200
True or False:
Because stars are so far away, many more can be seen through a telescope than with your eyes alone.
True
200
True or False:
The Earth's main source of heat energy is form the Sun.
True
200
True or False:
Gravity cannot be overcome
False
200
An _______ is a possible explanation drawn from evidence of an observation.
inference
300
Why do some stars appear to be large and others appear to be small when viewed from Earth?
Stars are different sizes and distances from Earth.
300
Why are we unable to see the same numbers of stars during the daytime that we are able to see at night?
During the day, the Sun's light is so bright it does not allow us to see other stars.
300
Britney was practicing catching baseballs. She would throw a ball into the air and then would catch it with her glove. Where in this scenario was gravity overcome?
When she threw the baseball into the air.
300
What do scientists base their explanations on?
Observations and/or measurements.
400
Heidi is looking at stars with a telescope on a clear night. She notices that she can see many more stars in the same part of the sky when she looks through the telescope than when she looks just with her eyes. Why?
A telescope will magnify the stars in the sky to allow you to see more stars she cannot see without the telescope.
400
Leonard and Howard were discussing light energy from the Sun. Leonard says the Sun always emits light energy and Howard says it only emits light energy during the daytime. Who is correct?
Leonard because the Sun is always emitting light energy even when we can't see it.
400
Which is an example of an object overcoming gravity?
a) a ball falling off a table
b) a rocket shooting into space
c) a snowball rolling down a hill
d) a balloon dropping from the sky
b
400
Why do scientists use models?
To help them understand and explain how things work.
500
Manny notices that two stars appear to have the same brightness. He knows that one of the stars is much farther away than the other. What could he conclude about the stars?
Manny can conclude the star farther away must have more brightness than the closer star, which causes them to appear to have the same brightness in the sky.
500
Why does the Sun appear larger than other stars in the sky?
The Sun appears larger than other stars because it is the closest star to Earth.
500
Look at the picture. How is gravity being overcome?
The hangers hanging on the clothes rack.
500
What do you notice about the relationship about the temperature of water and the amount of salt that will dissolve in that water? 
The hotter the water, the more salt that is able to dissolve.