Understanding Hemispheres

Understanding Hemispheres

Assessment

Interactive Video

Mathematics, Science

6th - 9th Grade

Practice Problem

Easy

Created by

Emma Peterson

Used 1+ times

FREE Resource

The video tutorial explains the concept of a hemisphere using an orange analogy. It covers how to calculate the surface area and volume of a hemisphere, including both the curved and flat parts. The tutorial provides formulas for these calculations and demonstrates them with an example using a radius of six.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a hemisphere?

A full sphere

A quarter of a sphere

A flat circle

Half of a sphere

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When calculating the surface area of a hemisphere, what must be included?

Only the flat surface

Both the curved and flat surfaces

Neither surface

Only the curved surface

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area of the great circle in a hemisphere?

4πr²

2πr²

3πr²

πr²

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the surface area of a hemisphere?

4πr²

3πr²

2πr²

πr²

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the surface area formula for a hemisphere 3πr²?

It includes only the curved surface

It is a mistake

It includes only the flat surface

It includes both the curved and flat surfaces

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the volume of a hemisphere calculated?

By dividing the volume of a sphere by 2

By subtracting the volume of a sphere from itself

By adding the volume of a sphere to itself

By multiplying the volume of a sphere by 2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the volume formula for a hemisphere?

2/3πr³

πr³

4/3πr³

3/4πr³

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