Material Properties and Forces

The video tutorial introduces the concept of material properties, focusing on how energy transfer can alter an object's shape or movement. It covers four main properties: elasticity, flexibility, resistance, and fragility. Elasticity is the ability of a material to return to its original shape after being compressed or stretched, with examples like springs and rubber. Flexibility refers to materials that undergo permanent shape changes, such as clay. Resistance is the ability to withstand force without breaking, exemplified by materials like wood and concrete. Fragility describes materials that break easily without shape alteration, such as glass and porcelain.

What happens to an object when energy is transferred to it?

• It disappears.

• It changes color.

• It changes shape or movement.

• It becomes heavier.

What is the term used when a force acts on an object?

• Elasticity

• Resistance

• Energy transfer

• Force application

Which of the following materials is known for its elasticity?

• Glass

• Rubber

• Clay

• Wood

What happens to a spring when a person jumps on a trampoline?

• It remains unchanged.

• It changes shape and then returns to its original form.

• It breaks.

• It changes color.

Which material is an example of a flexible material?

• Glass

• Iron

• Clay

• Concrete

How does an artisan shape clay?

• By painting it

• By heating it

• By applying a force with their hands

• By freezing it

What property allows materials to withstand force without breaking?

• Fragility

• Resistance

• Flexibility

• Elasticity

Which of the following is a resistant material?

• Porcelain

• Crystal

• Wood

• Glass

What happens to fragile materials when a force is applied?

• They change shape.

• They become flexible.

• They become elastic.

• They break easily.

Which of the following is an example of a fragile material?

• Rubber

• Iron

• Wood

• Porcelain