Introduction to sphere

Mr. Rishi teaches students the difference between a circle and a sphere using a deflated football. He explains that a circle is flat, while a sphere is round and solid. Priya, a student, is tasked with finding sphere-shaped objects at home. She identifies a laddu, a pea, and a bubble as spheres. The next day, students share their findings in class, and Mr. Rishi is pleased with their understanding.

What object did Mr. Rishi use to demonstrate the difference between a circle and a sphere?

• A laddu

• A deflated football

• A pea

• A round clock

Which of the following is NOT a characteristic of a sphere?

• It is perfectly round and smooth.

• It can lay flat on a surface.

• It can roll on the ground.

• It is solid.

What did Priya conclude about the round clock on her wall?

• It is a circle because it is solid.

• It is a sphere because it can roll.

• It is a circle because it is flat.

• It is a sphere because it is round.

Which item did Priya identify as a sphere during her hunt?

• A brinjal

• A laddu

• A clock

• A potato

Why did Priya consider a pea to be a sphere?

• Because it is solid and flat.

• Because it is flat and smooth.

• Because it is flat and round.

• Because it is perfectly round and smooth.

What did Priya use to create a sphere-shaped bubble?

• A bubble blower

• A football

• A pea

• A laddu

What activity did Mr. Rishi assign to the students regarding spheres?

• To make a sphere model

• To write an essay about spheres

• To find three sphere-shaped items at home

• To draw a sphere