Viscosity
Density
Buoyancy
Fluid Systems
Suprise
100

Shampoo is an example of high or low viscosity?

High

100

What is the equation to calculate density?

Density = mass/ volume

100

Something that floats is said to have _____

Positive buoyancy

100

What does compressibility mean?

The ability of something to be squeezed or to apply force on a substance

100

What is the equation for flow rate?

Flow rate = volume/ time

200

______is a measure of how strongly the particles of a fluid attract each other

Cohesion

200

Cold water has a mass of 118 g in a water jug that has a volume of 120 mL. Calculate the density of the water.

0.983 g/mL

200

Something that sinks is said to have _______

Negative buoyancy

200

Which state can compress the most?

Gases!

200

What is an oil spill and why is it bad?

Answers vary

300

________ is the force of attraction between particles of a fluid and particles of other substances.

Adhesion

300

which likely has a higher density, 1 lb of brick or 1 lb of feathers?

brick

300

When an object has a higher density than a fluid, what will happen

it will sink

300

A system that runs on compressed air is called ____

pneumatic system

300

What is an example of an oil spill?

Answers vary

400

Why do some liquids flow faster down a ramp than others?

Because of differences in viscosity, adhesion and cohesion

400

An empty container has a mass of 50 g. When 75 mL of oil is placed in it, the total mass is 120 g. Calculate the density of oil.

0.933 g/mL

400

How can a huge cruise ship float?

Density

Weight distribution


400

A system that runs on compressed liquid is called _____

hydraulic system

400

A kitchen tap is turned on all the way. What is the flow rate of water through the tap if a 2L container can be filled in 15s (L/s)?

0.13 L/s

500

Water can stick to the sides of pipes or windows because it has high _____

Adhesion

500

Does the density of water change when you have a cup of water versus a jug of water?

Nope! The density of water is constant

500

The density of water is 1 g/ml. If an object has a mass of 30 g and a volume of 60 cm^3, what will happen when it is placed in water?

It will float!

500

A water tower is an example of what?

Hydraulic system

500

What is the particle theory of matter?

  • All matter is made of tiny particles
  • Particles have empty spaces between them
  • Particles are moving randomly all the time
  • Particles move faster and spread farther apart when they are heated
  • Particles attract each other
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