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 Energy
100
What is gravity?
Gravity is a type of 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 from the Sun.
True
200
True or False: Gravity cannot be overcome.
False
200
A(n) _______________ is a possible explanation drawn from evidence of an observations.
Inference
300
Why do some stars appear to be large and other stars appear to be small when viewed from Earth?
Stars are different sizes and distances from Earth.
300
Why are we unable to the same number 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
Lizzo 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?
Gravity was overcome when she threw the baseball into the air.
300
What do scientists base their explanations on?
A scientific explanation uses observations and/or measurements. This is evidence used to validate an explanation.
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 is correct because the Sun is always emitting light energy even when we can’t see it.
400
Which of the following 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. A rocket shooting into space.
400
Why do scientist use models?
Scientists use models to help 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 two 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 closest star to Earth.
500
Look at the picture below. Explain where gravity is being overcome.
Possible answers: All answers must indicate an object not falling to the ground. Remember all objects are affected by gravity.
- The shirts are being held up by the clothes hangers.
- The clothes hangers are being held up by the rod.
- The rod is overcoming gravity when attached to the wall.
500
Jimena decided to see how much salt she could dissolve, or mix, into water at different temperatures. She made the bar graph below to show what she found. What statement is supported by the data in the graph?
A. The hotter the water, the more salt that will dissolve in it.
B. Water with salt in it gets hotter than water without any salt.
C. Salt takes longer to dissolve in hot water than in cold water.
D. Temperature does not affect how much salt will dissolve in water.
A. The hotter the water, the more salt that will dissolve in it.