Scientific Thinking
Distances in Space
Stars
Waves
Potpourri
100
Eyeglasses can take the place of goggles when working with glass beakers.
False
100
What is an astronomical unit?
The average distance between Earth and Sun
100
What color are the coolest stars?
Red
100
What has the shortest wavelength in the electromagnetic spectrum
gamma rays
100
Can a theory become a law?
No
200
In an experiment where you are changing the amount of water and measuring the growth of plants, what is the independent variable?
The amount of water
200
. What holds clusters of matter together in the universe
A. gravity
B. light
C. radiation
D. superclusters
gravity
200
On the main sequence, the hotter, brighter stars also have the greatest__________________
diameter
200
The shorter the wavelength, the _______________the frequency of a wave.
higher
200
Mrs, Longley's class copied Mrs. Isom's class experiment. Do we call this repetition or replication?
replication
300
In an experiment where you are changing the amount of water and measuring the growth of plants, what is the dependent variable?
The growth of the plants
300
- Which sequence describes the structure of the universe from smallest to largest?
- Cluster, supercluster, solar system, galaxy
- Galaxy, cluster, supercluster, solar system
- Solar systems, galaxies, clusters, superclusters
- Superclusters, clusters, galaxies, solar systems
- Solar systems, galaxies, clusters, superclusters
300
The sun has a greater apparent magnitude than other stars in our galaxy, Why?
The sun is closer to us.
300
What color of visible light has the longest wavelength?
Red
300
Which of the following measurement units would you use to measure each of the following?
light year kilometer (km) astronomical unit (AU)
•Distance from the Earth to Saturn
AU
400
In our paper airplane experiment, what are two things we kept constant?
The design of the airplane and how hard we threw the plane
400
. Which of the following best explains the Big Bang Theory?
- a law about how the universe was created.
- a guess as to how the universe was created.
- observations of how the universe was created.
- an explanation of how the universe was created.
- an explanation of how the universe was created.
400
What are stars made of?
Gases
400
_______________is the number of waves that pass a certain point in a second
Frequecy
400
Refracted light
500
A law tells us tht something happens.
Newton's Law "For every action, there is an equal and opposite reaction." What does a theory tell us?
A theory tells us why something happens.
500
. Which object contains most of the mass of the universe?
- Black holes
- Dark matter
- Gas and dust
- Stars
Black holes
500
Where does nuclear fusion take place in our Sun?
In the core.
500
Name a part of the electromagnetic spectrum that can cause harm to humans.
UV Rays
X Rays
Gamma Rays
any of the above
500
Does sound travel faster through solids, liquds or gases?
As a rule sound travels slowest through gases, faster through liquids, and fastest through solids.