Definitions
Units
Scientific Method
Science Jokes
Miscellaneous
100
What is speed?
speed = distance/time
100
True or False: distance can be both positive and negative
False
Displacement can be both positive and negative, not distance.
100
How many variables can you change in an experiment to have a controlled experiment?
Only one
100
Two hydrogen atoms were walking down the street. The first says to the second, "I think I've lost an electron". The second atom asks, "Are you sure?" First one replies, "Yeah, I'm _________".
Positive
100
Which country is Sir Isaac Newton from?
Great Britain
200
A disturbance that transfers energy, not matter, from one place to another is called a
wave
200
Kilometers per hour (km/h) are units of
speed
200
What is an independent variable (IV)?
Something you change
200
What did the thermometer say to the graduated cylinder? You maybe graduated, but I have more __________ .
degrees
200
The atomic number of an element shows the number of____________
Protons
300
Mass over volume (m/V) is defined as
density
300
What is the international system of units called
SI System of Units
(from the French Le Système International d'Unités)
300
What is the dependent variable in this problem:
Ivan and Braxton want to know if stretching a rubber band at a different lengths affects how far it flies. They will use cm to measure.
what you measure: how far does the rubber band fly
300
Why are chemists good at solving problems?
They have all the solutions.
300
Imagine an astronaut is on a tether line outside of her spaceship with several tools fixing a problem. Suddenly the tether line breaks and she starts floating away. What should she do to get back to the spaceship?
Throw the heaviest tool with as much force as possible opposite to the direction she wants to fly in.
400
Frost on leaves is an example of which state of matter change?
Deposition
400
Frequency is measured in _________
Hertz
400
What do you do at the end of an experiment (in your conclusion)?
You accept or reject your hypothesis
400
Did you hear about the horrible accident where the physicist accidentally chilled himself to absolute zero? He's ___________ now.
0K
400
When you turn on a toaster you transfer __________ energy into ___________ energy.
electric energy into thermal energy
500
Name all the EM waves
Radio, Micro, Infrared, Visible Light, Ultraviolet, X-ray, Gamma
500
Name a unit of weight (in physics)
Newton
Weight is a measure of the force of gravity on a physical object and is measured in Newtons.
500
Which of these targets show precise but not accurate dart hits?
B
The darts are all together, but not in the center.
500
What did one tectonic plate tell the other when he bumped into him?
Sorry, my fault.
500
The type quantities that have both a magnitude and direction are called
vector quantities