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WorksheetsHeat quiz
Total questions: 25
Worksheet time: 1hrs 15mins
We poured salt into the bag with the ice when making ice cream because......
The salt increases the freezing point.
The salt decreases the freezing point.
It makes the ice melt faster.
Two of the answers are correct.
During the conductometer experiment...
Al melted the wax first.
Cu melted the wax first.
Ni melted the wax first.
BR melted the wax first.
How is it possible to boil water in a paper container?
The heat capacity of water is low.
Paper burns at a lower temperature than 100 degrees Celsius.
The water absorbed all the heat and it never exceeded 100 degrees.
The paper absorbed all the heat from the element.
1. Which has more thermal energy container, A or B?
( read question carefully)
A
B
C
Neither
Milk has a cp of 0.94, we poured 250 grams into the bag, the temp. went from 4 degrees Celsius to -7 degrees.
How many calories of heat did it lose?
25850 calories
2585 joules
1175 calories
2585 calories
What makes the sparks rise above a fire?
Conduction
Convection
Radiation
The sun and a campfire are good examples of _________________________________, the
transfer of heat through electromagnetic rays.
Conduction
Convection
Radiation
The specific heat of aluminum is 0.215 cal/g°C. How much heat(Q) is released when a 100 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?
175 calories
1075 calories
17.5 calories
107.5 calories
The temperature of an unknown piece of metal with a mass of 30 g changes from 25.0 °C to 35.0 °C when the metal absorbs 300 calories of energy. What is the specific heat of the metal?
1 calorie/g degrees Celsius.
2.0 c/g°C
0.857 c/g°C
10 c/g°C
This is a measure of how hot or cold something is.
Temperature
Heat
Energy
Work
The ability to do work.
Temperature
Heat
Energy
Work
Lucy was cooking pizza in the oven. She felt the warm from the oven on her arm. This is an example of heat transfer through...
Conduction
Convection
Radiation
Conservation
What happens when ice cubes melt in a glass?
Heat travels from the ice to the warmer water.
No energy is transferred.
Heat is transferred from the warmer water to the ice cubes.
The water warms up due to the humidity
The amount of energy required to raise the temperature 1ºC for every kilogram is called____?
Heat Energy
Specific Heat
Temperature
Kinetic Energy
What is the equation to measure change in Heat Energy?
q=mxcpx∆t
q=mxc
q= ∆mxcpxt
m=qxtxc
One litre of water at 30 °C is mixed with one litre of water at 50°C . The Temperature of the mixture will be
80°C
20°C
More than 50°C but less than 80°C
Between 30°C and 50°C
Why are cooking pots often made of metal?
Metal is a good conductor of heat
Metal is a good insulator of heat
Metal is a good convertor of heat
Metal is a good reflector of heat
Which types of energy does the bulb give off?
________________ is the type of energy stored in the bonds between the atoms that make up matter.
Gravitational potential energy
Elastic potential energy
Chemical potential energy
Light energy
Heat energy
