Show:
Density
Buoyancy
Scientific Method
Potpourri
100
What is the density of water?
What is 1 g/cc
100
This is the force of gravity on an objects mass.
What is weight
100
This is the first step of the scientific method.
What is an observation or problem/question.
100
This is the name for the curved surface on top of the fluid in a graduated cylinder.
What is meniscus.
200
What is the formula to calculate the density of an object?
What is D = Mass / Volume
200
If you travel to another planet your __________ will change but your _______ would remain the same.
What is weight would change but mass would remain the same.
200
This is the variable you purposely change in an experiment.
What is the independent variable
200
A tool we built in class that measures the density of a fluid
What is a hydrometer.
300
How do you find the volume of an irregular object?
What is the displacement method.
300
An object will ___________ if its weight is more than the buoyant force acting on it.
What is sink.
300
Sally tested various temperatures to see how they affected the hatching rate of brine shrimp. What was her dependent variable in this experiment.
Hatching rate of brine shrimp
300
What is the buoyant force acting on this object?
What is 20 g?
400
Which has a higher density a 24 K gold ring or a 24 K gold crown?
They both would have the same density!
400
In order for an object to be buoyant it must __________ an amount of water equal to or greater than its own weight.
What is displace
400
In the "read it" station of our scientific method stations, the experiment with molds affect on bacteria growth lead to the development of this.
What is penicillin.
400
What is the formula to find the volume of a rectangular solid?
What is l x w x h
500
What is the density of this block? (see picture)
What is 2.5 g/cm3
500
State Archimedes' Principle.
The buoyant force on an object is equal to the weight of the fluid it displaces.
500
These are the variables you keep the same to make sure your experiment is accurate.
What are controlled variables.
500
What are the 4 states of matter?
liquid, solid, gas, plasma