26 Questions
Which type of properties describe a substance and how it acts?
Physical properties
What does the ability of a substance to let heat or electricity pass through it refer to?
Thermal and electrical conductivity
What can be identified by its properties?
Different substances
Which state of matter can be compressed?
Gas
Which property describes the ability of a substance to flow and change shape?
Fluidity
Which property of a substance is measured by its pH?
Acidity
Which property describes the temperatures at which a substance freezes and boils?
Freezing point and boiling point
Which of the following is a characteristic of plasma?
It is found in high-voltage sparks
What is the rate of reaction?
The speed at which a reaction occurs
Why are car brakes filled with liquid?
To activate the brakes
What happens to non-biodegradable substances over time?
They remain in the environment for many years
Which of the following is a safety precaution mentioned in the text?
Wear safety glasses
What is the purpose of the practical activity mentioned in the text?
To investigate the properties of slime
Which of the following is a characteristic property of slime mentioned in the text?
Flows to take the shape of its container
What is the particle model used to explain?
The properties of slime
Which of the following is an example of a non-biodegradable substance mentioned in the text?
Polystyrene
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
Which of the following is a property of biodegradable plastics made from plant-based substances?
They are more expensive than oil-based plastics
Which of the following is an example of a substance that displays properties of both liquids and solids?
All of the above
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.
Why are liquids considered incompressible according to the particle model?
The particles in liquids are incompressible.
What happens to the particles in a liquid when it is heated?
The particles in a liquid become more loosely bonded.
According to the particle model, which of the following statements about solids is true?
Solids have particles that are fixed in position
What happens to the particles in a solid when it is heated?
The particles vibrate faster and spread further apart
What is the particle model used for?
To explain the properties of solids, liquids, and gases
What are atoms?
Invisible particles that make up matter
Balancing Act: Test your physics skills by balancing a ruler using strings and finding the equilibrium point. Then, observe the effects of puncturing a balloon with a needle. Put your knowledge to the test with this hands-on quiz!
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