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100
This is the name for any substance that flows?
Fluid
100
Which two fluids surround our planet?
What are WATER and AIR
100
Margarine and shortening are made by bubbling hydrogen gas through liquid oils. TRUE or FALSE
What is TRUE
100
Fluids are volatile in that they have no fixed form. True of false?
What is TRUE
100
If you increase the temperature of a gas it rises because it becomes less ___________. 
Dense
200

What are the two states that a fluid can be in ?

What is a liquid or gas.

200

What are the six principles of the particle theory.

All matter is made up of particles.


All particles are in constant motion.

All particles of one substance are identical.

Temperature affects the speed at which particles move.

In liquids and solids particles are close together and have strong forces of attraction between them.

In a gas there are spaces between particles.


200
Name one characteristic of gases
They totally take on shape of their container
200
An increase in temperature causes gases to take up less volume. True or False?
False
200
This is the upward force exerted by a fluid.
Buoyant Force
300
Matter is anything that has __________ and ______________. 
What is mass and volume?
300
Liquids take the shape of what?
There container.
300
Fluids are...
What is "liquids and gases"
300
Particles in a solid are closer together than in a liquid. True or False?
True.
300
This is the amount of force applied to a given area.
Pressure
400
This is a measure of how much space a substance takes up. 
What is volume.
400
What is the formula to calculate DENSITY?
What is MASS / VOLUME = DENSITY
400
Is the weight of a steel box the same on Earth as it is on the Moon? Why or why not.
No, it is not because weight is calculated with gravity. The Moon has very little gravity.
400
Is the mass of a steel beam the same on Earth as it is on the Moon?
Yes, indeed! Mass does not change!
400
A decrease in volume caused by a force is called this.
Compression
500
This is the measure of how much matter is in a substance.
What is mass.
500
This is the  term used to describe a fluid that expands because its temperature has increased. 
Thermal Expansion.
500
Water is less______________ compared to maple syrup as it flows more easily.
Viscous.
500
If the density of an object is greater than the fluid it is in the object will float? True or False
False.
500
What causes a bike tire to go flat in the winter? 
A decrease in the volume that the gas takes up because of the decrease in temperature.