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WorksheetsThermodynamics Concepts
Total questions: 15
Worksheet time: 10mins
What is the change in velocity of a substance related to?
What is the measurement of energy required to change the temperature called?
Heat
Temperature
Energy
Work
Which process involves direct contact between surfaces?
Conduction
Convection
Radiation
Fill in the blank: _______ is the process of heat transfer via electromagnetic waves.
Conduction
Convection
Radiation
Insulation
Match the following phase changes with their descriptions:
Melting
Solid to liquid
Freezing
Liquid to solid
Vaporization
Liquid to gas
Condensation
Gas to liquid
Sublimation
Solid to gas
During which phase change does water still consume heat energy without a change in temperature?
Latent phase of fusion
Latent phase of vaporization
What is the charge of an electron?
Positive
Negative
Neutral
What is the charge of a proton?
Positive
Negative
Neutral
What is the atomic number of an element with 5 protons?
5
10
11
What is a characteristic of a physical change?
No molecular change
Change in chemical composition
Formation of new substances
Irreversibility
Which of the following is an example of a physical change?
Sugar in water
Burning wood
Rusting iron
Cooking an egg
What type of bond is present in water molecules?
Ionic
Polar covalent
Metallic
Hydrogen
Water molecules have a high ________.
Surface tension
Density
Viscosity
Conductivity
Which property of water makes it a good solvent?
High specific heat
High surface tension
Polarity
Low density
Water has a high specific heat.
True
False
