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Convexo

Convexo

Assessment

Interactive Video

Science, Physics

4th - 9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial covers two main topics: the perimeter of a circle and the historical uses of convex lenses. It begins with a discussion on calculating the perimeter of a circle, followed by an exploration of how convex lenses have been utilized for vision correction, magnification, and fire-making over the past 3000 years.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the perimeter of a circle commonly referred to as?

Diameter

Circumference

Radius

Area

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For how long have convex lenses been used to correct vision?

1000 years

500 years

3000 years

2000 years

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a use of convex lenses?

Creating fire

Cooling objects

Magnifying objects

Correcting vision

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one of the historical uses of convex lenses?

To freeze water

To build structures

To make fire

To create electricity

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many years have convex lenses been used for making fire?

1000 years

2000 years

4000 years

3000 years

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