2871322
Pregunta 1
Pregunta
A fluid is any liquid that flows
Respuesta
- True
- False
Pregunta 2
Pregunta
Which of the following IS NOT a purpose of liquids
Respuesta
-
Transport solids
-
Become Solids
-
Hold other materials
-
Expand Solids
Pregunta 3
Pregunta
A slurry is a mixture of:
Respuesta
-
Solids and Gases
-
Solids and Liquids
-
Solids and Plasma
Pregunta 4
Pregunta
The Particle Theory describes matter and its behavior
Respuesta
- True
- False
Pregunta 5
Pregunta
When objects heat up, they gain forces of attraction and spread apart
Respuesta
- True
- False
Pregunta 6
Pregunta
The formula for density is:
Respuesta
-
Density=Mass/Volume
-
Density=Force/Area
-
Density=Force x Distance
Pregunta 7
Pregunta
The main point of the ball and ring experiment was to prove that global warming is having a major effect on our everyday lives
Respuesta
- True
- False
Pregunta 8
Pregunta
Viscosity:
Respuesta
-
Describes how dense a fluid is
-
Is a fluid's resistance to flow
-
Measures the speed at which a fluid flows from one point to another
Pregunta 9
Pregunta
Density is the amount of mass contained in a given volume
Respuesta
- True
- False
Pregunta 10
Pregunta
Archimedes Principle states that when force is applied to an enclosed fluid, the increase in pressure is transmitted equally to all parts of the fluid
Respuesta
- True
- False
Pregunta 11
Pregunta
Fish have a swim bladder that enables them to fill their system with carbon dioxide and increase their density
Respuesta
- True
- False
Pregunta 12
Pregunta
The formula for pressure is: force/area
Respuesta
- True
- False
Pregunta 13
Pregunta
Compression is:
Respuesta
-
An increase in volume caused by force
-
A decrease in volume caused by force
Pregunta 14
Pregunta
A hydraulic system is a system that uses a liquid under pressure to transmit a force to do work
Respuesta
- True
- False
Pregunta 15
Pregunta
A mechanism is
Respuesta
-
A group of physical parts that interact with one another
-
Any device that helps us to work
-
A machine that requires the application of a single force to do work
-
Several different types of machines that work together to perform a specific function
Pregunta 16
Pregunta
Weight is the amount of matter in an object
Respuesta
- True
- False
Pregunta 17
Pregunta
Work is done
Respuesta
-
When a force causes an object to move a distance
-
When a machine changes the direction of a force
Pregunta 18
Pregunta
Energy is the ability to do work
Respuesta
- True
- False
Pregunta 19
Pregunta
Energy is measured in
Respuesta
-
Joules
-
Meters
-
Pascal's
-
Centimeters
Pregunta 20
Pregunta
Energy can be created but not destroyed
Respuesta
- True
- False
Pregunta 21
Pregunta
Friction
Respuesta
-
Is a force that opposes motion
-
Is not calculated in IMA
-
Does not always exist in machines
Pregunta 22
Pregunta
The input force is the force that the machine applies to the object or the force required to move the object
Respuesta
- True
- False
Pregunta 23
Pregunta
Which of the following is not one of the simple machines?
Respuesta
-
Wheel and Axel
-
Screw
-
Lever
-
Bicycle
-
Screwdriver
Pregunta 24
Pregunta
How much of the Earth's surface is water?
Respuesta
-
70%
-
45%
-
3%
-
55%
Pregunta 25
Pregunta
2/3 of the Earth's water is groundwater
Respuesta
- True
- False
Pregunta 26
Pregunta
What is the underground freshwater reservoir is called the:
Respuesta
-
Septic Tank
-
Aquifer
-
Water Table
Pregunta 27
Pregunta
Which of the following is not a main watershed?
Respuesta
-
Hudson's Bay
-
Caribbean
-
The Dead Sea
-
Gulf of Mexico
-
Pacific
Pregunta 28
Pregunta
Vancouver has a more regulated climate than Winnipeg
Respuesta
- True
- False
Pregunta 29
Pregunta
Water has a high heat capacity
Respuesta
- True
- False
Pregunta 30
Pregunta
When glaciers decrease in size sea levels would lower
Respuesta
- True
- False
Pregunta 31
Pregunta
A septic tank is commonly found in
Respuesta
-
Rural Areas
-
Urban Areas
Pregunta 32
Pregunta
The green method of filtering water is the waste water treatment plant
Respuesta
- True
- False
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