Make a Pinhole Projector to View the Solar Eclipse

This video tutorial guides you through creating a simple solar projector to safely view a solar eclipse or calculate the sun's diameter. It involves cutting a hole in cardboard, covering it with aluminum foil, and testing the setup with a flashlight. Finally, the projector is used outdoors to observe the sun.

What are two main purposes of the solar projector mentioned in the video?

• To view a solar eclipse and measure the sun's diameter

• To measure the distance to the moon

• To cook food using solar energy

• To generate electricity

What material is used to cover the hole in the cardboard?

• Aluminum foil

• Plastic wrap

• Cloth

• Wax paper

What tool is used to make a small hole in the aluminum foil?

• A knife

• A pen

• A screwdriver

• A pin

How can you test the solar projector indoors?

• By using a lamp

• By using a candle

• By using a flashlight

• By using a laser pointer

What should you observe when moving the flashlight up and down?

• The shape of the circle becomes a square

• The diameter of the projected circle changes

• The color of the light changes

• The brightness of the light increases