Science-heat And Temperature Quiz (Grade 7)
A quiz on heat and temperature, at Grade 7 level. Based on Alberta, Canada schools.
Questions and Answers
- 1.
When used the Celsius scale,what is the boiling point for water?
- A.
50 degrees
- B.
100 degrees
- C.
0 degrees
- D.
27 degrees
- E.
-100 degrees
Correct Answer
B. 100 degreesExplanation
The boiling point for water on the Celsius scale is 100 degrees. This means that at this temperature, water changes from a liquid state to a gaseous state. It is a well-known fact in science that water boils at 100 degrees Celsius under normal atmospheric pressure.Rate this question:
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- 2.
The particle model of matter, clearly states:
- A.
Matter is a big chunk of icecream
- B.
All substances are made of tiny particles to small to be seen. They are always moving and have spaces in them.
- C.
Atoms are actually found only in solids and liquids. Something else is in Gas.
- D.
Matter is food for animals.
- E.
Radiation can effect the model of matter
Correct Answer
B. All substances are made of tiny particles to small to be seen. They are always moving and have spaces in them.Explanation
The given statement is a correct explanation of the particle model of matter. According to this model, all substances are composed of tiny particles that are too small to be seen with the naked eye. These particles are in constant motion and have spaces between them. This explanation aligns with the scientific understanding of matter and its composition at the microscopic level.Rate this question:
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- 3.
When something cools, it __________.
- A.
Shrinks/Contracts
- B.
Grows bigger
- C.
Rises
- D.
Turns red
- E.
Breaks apart
Correct Answer
A. Shrinks/ContractsExplanation
When something cools, it undergoes a decrease in temperature, causing the particles within the object to slow down and move closer together. This decrease in thermal energy leads to a reduction in the volume or size of the object, resulting in it shrinking or contracting.Rate this question:
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- 4.
The 4 universal states of matter are:Solid,Liquid, Gas and_______.
- A.
Helium
- B.
Samuel De Champlain
- C.
Plasma
- D.
Sun
- E.
Hair
Correct Answer
C. PlasmaExplanation
Plasma is the correct answer because it is the fourth universal state of matter. Plasma is a highly ionized gas that consists of free electrons and positive ions. It is often referred to as the "fourth state of matter" because it exhibits unique properties that are distinct from solids, liquids, and gases. Plasma is commonly found in stars, lightning, and fluorescent lights, and it plays a crucial role in various natural and technological processes.Rate this question:
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- 5.
Gas turning into a solid is called:
- A.
Sublimation
- B.
Freezing
- C.
Evaportation
- D.
Condensation
- E.
Pemmican
Correct Answer
A. SublimationExplanation
Sublimation is the process in which a gas directly transforms into a solid without passing through the liquid state. This occurs when the temperature and pressure conditions are such that the gas molecules lose enough energy to form a solid. The other options, freezing, evaporation, and condensation, all involve the transformation of a substance from one state to another, but not specifically from gas to solid. Pemmican is not related to the process of gas turning into a solid.Rate this question:
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- 6.
Radiation can come from:
- A.
Britney Spears
- B.
A chocolate bar
- C.
A Lightbulb that is broken
- D.
A Wall
- E.
The Sun
Correct Answer
E. The SunExplanation
Radiation can come from various sources, including Britney Spears, a chocolate bar, a broken lightbulb, a wall, and the Sun. The Sun is a significant source of radiation as it emits various forms of electromagnetic radiation, including visible light, ultraviolet (UV) radiation, and infrared radiation. These forms of radiation are essential for sustaining life on Earth, but excessive exposure to UV radiation can be harmful. Therefore, it is crucial to protect oneself from the Sun's radiation by using sunscreen and wearing protective clothing.Rate this question:
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- 7.
Chemical energy is:
- A.
Energy from Coal and wood.
- B.
Energy from breathing.
- C.
The heat you give off.
- D.
Hydro-Electric Dams
- E.
Circumference
Correct Answer
A. Energy from Coal and wood.Explanation
Chemical energy refers to the potential energy stored in the bonds of chemical compounds, such as coal and wood. When these compounds undergo a chemical reaction, such as combustion, the stored energy is released in the form of heat and light. Therefore, the energy from coal and wood represents chemical energy.Rate this question:
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- 8.
Fossil Fuels are:
- A.
Non-Renewable
- B.
Delicious foods!
- C.
The fuel you get when you use coconut lubricants.
- D.
A wink for MSN.
- E.
Never going to run out
Correct Answer
A. Non-RenewableExplanation
Fossil fuels are considered non-renewable because they are formed from ancient organic materials such as plants and animals that have been buried and subjected to heat and pressure over millions of years. These resources, including coal, oil, and natural gas, are finite and cannot be replenished within a human lifespan. As a result, their extraction and consumption contribute to environmental concerns such as air pollution and climate change. It is important to explore and develop alternative, renewable energy sources to reduce our dependence on fossil fuels.Rate this question:
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Jul 12, 2023Quiz Edited by
ProProfs Editorial Team -
Jan 20, 2019Quiz Created by
Sdei_baning
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