Thermal Conductors Quiz

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Questions and Answers

Which material is a thermal conductor?

Wooden stick

Plastic spoon

Metal teaspoon (correct)

Glass rod

Plastic spoons conduct heat better than metal teaspoons.

False

What safety precaution should be taken when dealing with hot water in experiments?

Do not touch the hot water and be careful not to knock over the beaker.

When heat is transferred from one object to another, it is called __________.

conduction Signup and view all the answers

Match the materials with their thermal conductivity characteristics:

Metal teaspoon = High thermal conductivity Plastic spoon = Low thermal conductivity Glass rod = Moderate thermal conductivity Polystyrene foam = Insulating material Signup and view all the answers

What is one way to identify a liquid that is boiling without measuring the temperature?

It produces bubbles. Signup and view all the answers

The boiling point of a substance is always higher than its melting point.

True Signup and view all the answers

What should you do if you need to heat a solid in an experiment?

Use a hot plate and do not touch it directly. Signup and view all the answers

The process of a liquid turning into vapor at temperatures below its boiling point is called __________.

evaporation Signup and view all the answers

Match the following investigation aspects to their correct descriptions:

Conclusion = A summary of what was learned from the investigation. Data Recording = Keeping a systematic record of observations and measurements. Safety Precaution = Steps taken to avoid accidents during an experiment. Melting Point = The temperature at which a solid becomes a liquid. Signup and view all the answers

During the melting point investigation, why is it important to remove the pan as soon as the substance melts?

To measure the temperature accurately. Signup and view all the answers

If you heated more of the substance in each pan, would the melting points change? Explain your answer.

No, the melting points would remain the same regardless of the amount of substance. Signup and view all the answers

Which temperature corresponds to the boiling point of pure water?

100 °C Signup and view all the answers

The melting point of ice is 100 °C.

False Signup and view all the answers

What is defined as the temperature at which a solid becomes a liquid?

melting point Signup and view all the answers

Gold has a melting point of __________ °C.

1064 Signup and view all the answers

Match the following substances with their boiling points:

Water = 100 °C Vinegar = 118 °C Liquid Gold = 2856 °C Signup and view all the answers

What happens to a liquid when it boils?

All particles in the liquid change to gas Signup and view all the answers

Evaporation can only occur at high temperatures.

False Signup and view all the answers

Name one property of a substance that allows us to distinguish it from others.

melting point or boiling point Signup and view all the answers

The temperature at which a liquid turns into a gas is called the __________.

boiling point Signup and view all the answers

Which of the following statements is true about evaporation?

It occurs at any temperature Signup and view all the answers

Study Notes

Cambridge Primary Science

This is a student workbook for primary science
It is the sixth book in the series
Published by Cambridge University Press in 2021
The book is endorsed by Cambridge Assessment International Education for full syllabus coverage
There are multiple human body systems covered in the book, including the circulatory and respiratory systems.
There are investigation activities, experiments and questions throughout.
The material is not final and subject to further changes prior to publication.

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Description

Test your knowledge on materials that conduct heat. This quiz will challenge you to identify various thermal conductors and understand their properties. Perfect for students studying physics or material science.