WorksheetsChapter 3: Energy - Chapter Test
Total questions: 10
Worksheet time: 5mins
Which statement best defines energy?
The ability to change the temperature of a substance
The ability to change matter or cause change
The amount of heat contained in a substance
The transfer of heat by direct contact
Kinetic energy of molecules is most directly related to which quantity?
Temperature
Mass
Specific heat
Conduction
Measuring heat done to change temperature uses which scale for temperature in many scientific contexts?
Celsius
Fahrenheit
Kelvin
Rankine
A material that slows or resists heat transfer is best described as which of the following?
Conductor
Catalyst
Insulator
Enzyme
During a chemical reaction, what happens when chemical bonds are broken?
Potential energy is stored
Energy is released
Temperature is lowered
Catalysts are formed
Which example illustrates heat transfer by convection?
A metal spoon heating up in hot soup
Warm air rising above a radiator
Sunlight warming pavement
Ice melting on a hot plate
According to the law of conservation of energy, the total amount of energy in the universe is which of the following?
Always increasing
Always decreasing
Constant
Dependent on temperature
Thermal energy plays a role in each situation EXCEPT which one?
A solar cooker warming food
Powering a bicycle with pedaling
Cooking food on a stove
Heat flowing from hot to cold water
Which process is an example of an exothermic reaction?
Photosynthesis storing energy from sunlight
Explosive combustion releasing heat
Thermal energy moving from hot to cold
Electrolysis separating oxygen and hydrogen
Who described the law of conservation of energy?
Kelvin
Fahrenheit
Joule
Celsius
