Physics Fun

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Which type of properties describe a substance and how it acts?

Biodegradable properties

Chemical properties

Thermal and electrical properties

Physical properties (correct)

What does the ability of a substance to let heat or electricity pass through it refer to?

Thermal and electrical conductivity (correct)

Biodegradability

Chemical reactivity

Dissolvability

What can be identified by its properties?

Different substances (correct)

Chemical reactions

Physical changes

Changes of state

Which state of matter can be compressed?

Gas Signup and view all the answers

Which property describes the ability of a substance to flow and change shape?

Fluidity Signup and view all the answers

Which property of a substance is measured by its pH?

Acidity Signup and view all the answers

Which property describes the temperatures at which a substance freezes and boils?

Freezing point and boiling point Signup and view all the answers

Which of the following is a characteristic of plasma?

It is found in high-voltage sparks Signup and view all the answers

What is the rate of reaction?

The speed at which a reaction occurs Signup and view all the answers

Why are car brakes filled with liquid?

To activate the brakes Signup and view all the answers

What happens to non-biodegradable substances over time?

They remain in the environment for many years Signup and view all the answers

Which of the following is a safety precaution mentioned in the text?

Wear safety glasses Signup and view all the answers

What is the purpose of the practical activity mentioned in the text?

To investigate the properties of slime Signup and view all the answers

Which of the following is a characteristic property of slime mentioned in the text?

Flows to take the shape of its container Signup and view all the answers

What is the particle model used to explain?

The properties of slime Signup and view all the answers

Which of the following is an example of a non-biodegradable substance mentioned in the text?

Polystyrene Signup and view all the answers

Which of the following is NOT a way to minimize the impact of non-biodegradable substances on the environment, according to the text?

Throwing non-biodegradable packaging on the street Signup and view all the answers

Which of the following is a property of biodegradable plastics made from plant-based substances?

They are more expensive than oil-based plastics Signup and view all the answers

Which of the following is an example of a substance that displays properties of both liquids and solids?

All of the above Signup and view all the answers

According to the particle model, why do liquids flow to take the shape of the bottom of their container?

The particles in liquids are loosely bonded to their neighbors. Signup and view all the answers

Why are liquids considered incompressible according to the particle model?

The particles in liquids are incompressible. Signup and view all the answers

What happens to the particles in a liquid when it is heated?

The particles in a liquid become more loosely bonded. Signup and view all the answers

According to the particle model, which of the following statements about solids is true?

Solids have particles that are fixed in position Signup and view all the answers

What happens to the particles in a solid when it is heated?

The particles vibrate faster and spread further apart Signup and view all the answers

What is the particle model used for?

To explain the properties of solids, liquids, and gases Signup and view all the answers

What are atoms?

Invisible particles that make up matter Signup and view all the answers