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Grade 7 Science Quiz

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Questions and Answers

Which of the following is the correct definition of temperature?

The amount of energy in an object

The amount of matter in an object

The level of coldness in an object

The level of heat in an object (correct)

What is the main purpose of a thermometer?

To measure the amount of energy in an object

To measure the level of coldness in an object

To measure the level of heat in an object (correct)

To measure the amount of matter in an object

Why is the sense of touch not a reliable way to measure temperature?

Because it can give different sensations for objects with the same temperature (correct)

Because it can only measure the amount of energy in an object

Because it can only measure the level of coldness in an object

Because it can only measure the amount of matter in an object

What is the correct term for a thermometer that uses liquid as its measuring substance?

<p>Liquid thermometer</p> Signup and view all the answers

Why is it important to measure temperature quantitatively?

<p>To make accurate temperature measurements</p> Signup and view all the answers

Study Notes

Temperature and Thermometry

Temperature is a measure of the average kinetic energy of the particles in a substance.
The main purpose of a thermometer is to measure temperature quantitatively.

Limitations of Sense of Touch

The sense of touch is not a reliable way to measure temperature because it can be influenced by various factors, such as the individual's sensitivity, the object's thermal conductivity, and the duration of contact.

Types of Thermometers

A thermometer that uses liquid as its measuring substance is called a liquid-in-glass thermometer.

Importance of Quantitative Measurement

It is important to measure temperature quantitatively because it allows for precise and accurate readings, enabling scientists to make informed decisions and comparisons.

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Description

Test your knowledge on temperature, heat, and its changes in this quiz for grade 7 science. Learn about different types of thermometers and understand the concept of temperature. Challenge yourself and become a smart learner!