What can I do with an overhead projector?

What can I do with an overhead projector?

An overhead projector (often abbreviated to OHP), like a film or slide projector, uses light to project an enlarged image on a screen, allowing the view of a small document or picture to be shared with a large audience.

How do you make a planetarium for kids?

How to make a mini planetarium

1. Gather your materials.
2. Decorate your tube.
3. Cut a hole for the torch in the end of your tube.
4. Attach your torch to your tube.
5. Cut out the constellations template.
6. Use a hole punch or pin to make holes in the stars.

What are the disadvantages of an overhead projector?

What Are the Disadvantages of Using an Overhead Projector?

• Resolution Problems. In order for a large classroom to see items clearly, the overhead projector needs to be at the perfect distance and angle.
• Cost to Replace Bulbs.
• Transportation.
• Displaying Material.
• Outdated Technology.

How do you make a planetarium at home?

Create components

1. Step 1: Make dome panels. Our planetarium was designed as a geodesic dome using a series of interconnected triangular panels.
2. Step 2: Use the template to cut out your triangles.
3. Step 3: Cut out parts for the base.
4. Step 4: Cut flaps on the panels.
5. Step 5: Paint one side white (if necessary).

How do you make constellations for kids?

Kids can use LED lights and a cookie sheet to make their own constellations. Constellation Art with Rocks and Sidewalk Chalk from Creekside Learning – Grab the chalk and head outside to create constellations on your sidewalk or in the driveway. Kids’ rock collections play the part of stars in this process.

Can you build your own planetarium?

You can construct a simple planetarium from cardboard, and the methods are basic enough that your students can be involved in the project. Depending how permanent you intend your structure to be, you can easily break it down and reassemble it.

How do you make a constellation with a flashlight?

Directions

1. Use your pencil to mark where you want your “stars” to be inside the circle.
2. Using your hole punch or toothpicks, poke holes through the black paper where your stars are marked. Then cut a square around your sketched circle, so you can hold the paper up to the flashlight.