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WorksheetsY8 - unit 1 - heat and pressure
Total questions: 14
Worksheet time: 9mins
Name
Class
Date
1.
A measure of how hot or cold something is; specifically a measure of the average kinetic energy of the particles in an object.
a)
Thermometer
b)
Temperature
c)
Absolute Zero
d)
Specific Heat
2.
An instrument that measure and indicates temperature.
a)
Thermometer
b)
Temperature
c)
Energy
d)
Kinetic Energy
3.
The temperature at which molecular energy is at a minimum (0 K on the Kelvin scale or -273.16 C) on the Celsius scale.
a)
Specific Heat
b)
Plasma
c)
Absolute Zero
d)
Conduction
4.
The energy transferred between objects that are at different temperatures.
a)
Radiation
b)
Convection
c)
Thermal Conduction
d)
Heat
5.
Water freezes at ______ on the Celsius scale?
a)
30
b)
35
c)
5
d)
0
6.
When you increase your depth under water, the water pressure on your body
a)
increases
b)
decreases
c)
stays the same
7.
Which of the following would increase the pressure on a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
8.
What decreases as you go up in the atmosphere?
a)
Altitude
b)
Atmosphere
c)
Meteors
d)
Air Pressure
9.
How do you Calculate Pressure
a)
Force(N)/Area(m2)
b)
Force(kg)/Area(mi2)
c)
Area(m2)/Force(N)
10.
Why won't you sink in mud if you wear boots?
a)
Because the surface area is larger creating less pressure.
b)
Has air in it to keep you floating.
c)
Because the mud won't want you.
11.
Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?
a)
The design of this structure is stronger.
b)
Water pressure increases with depth.
c)
The cost of construction is lower.
d)
Water pressure acts uniformly in all directions.
12.
What is pressure?
a)
The amount of force exerted on a surface
b)
The surface area of an object
c)
The weight of an object
13.
What is the unit of measurement for pressure?
a)
pascal
b)
grams
c)
milliters
d)
meters
14.
What pressure does a 4000N horse exert on the ground if each foot is 10cm2?
a)
40 N/cm2
b)
100 N/cm2
c)
400 N/cm2
d)
10 N/cm2
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