18 Questions
What property of a material is necessary for a container that needs to hold water?
Waterproof
Which of the following materials is flexible and can bend easily?
Plastic
What is the purpose of knowing the properties of a material?
To choose the right material for a specific task
What is the opposite of a stiff material?
Flexible
Why is plastic a suitable material for making containers?
It is lightweight and waterproof
What type of material would be suitable for making a container that needs to soak up a liquid?
Absorbent
What is the main reason why paper is not suitable for making containers to store water?
Paper does not have suitable properties
What is the purpose of comparing the hardness of different materials?
To understand their properties and characteristics
What is a characteristic of flexible materials?
They can bend without breaking
Why might we need materials that are flexible?
Because they can bend without breaking
What is a method to test the hardness of a material?
By scratching it with a nail or pin
What is a fair test to compare the hardness of different materials?
Testing them in the same way
What happens to a solid when it gains heat?
It changes into a liquid.
What is the term for when a liquid changes into a gas?
Evaporation
What can gases do that liquids and solids cannot?
Move freely and spread out into open spaces.
What happens to a gas when it loses heat?
It changes into a liquid.
What is the term for when a gas changes into a liquid?
Condensation
What are the three states of matter?
Solid, liquid, and gas.
This quiz covers the process of making paper, including the role of rollers, drainage, and drying. It also touches on the recycling of paper and its use in various industries.
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