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Light Painting

Autopause

Materials

1 White Sheet of Special Paper
1 White Sheet of Special Paper
1 Orange Sheet of Special Paper
1 Orange Sheet of Special Paper
1 Purple Light
1 Purple Light
1 Red Light
1 Red Light
1 Green Light
1 Green Light
1 Spinning Wheel
1 Spinning Wheel

Instructions

STEP 1
0:00

Reach into your kit and pull out the bag that says Light Painting. Take everything out of the bag and place it on the table. Put the empty bag back in your box.

STEP 2
0:15

Grab the white sheet of special paper,  shiny side facing up. Dim the lights,  and squeeze both sides of the purple UV light to turn it on. Touch it to the paper to draw a picture.

STEP 3
1:19

Start by drawing back and forth in a zigzag motion. Next, try writing the word science.

STEP 4
1:47

Grab a student volunteer! Place their hand on the paper and hold the light higher up to illuminate a bigger area. Shine the light around their hand for ten seconds, then move it away to see the outline!

STEP 5
2:15

You can keep doing this over and over again since this material doesn’t get used up. Try using some other interesting stencils like the remaining lights from your bag, or even try some of your own ideas.

STEP 6
2:55

Next, put the white paper aside. Grab the orange paper and the purple UV light, and go ahead and draw another picture. Did you notice it glows a different color?

STEP 7
5:24

Now, let’s grab the special spinning wheel. Place one finger on top to hold it in place, and spin the wheel with your other hand. Try practicing a few times, you can spin it fast or slow, whatever you like!

STEP 8
6:02

While it’s spinning, lightly touch your UV light in a few places to create glowing spiral designs. Try touching the wheel once near the center, then again in the middle, and once more on the outside to create 3 circles.

STEP 9
6:22

Next, let’s try making spirals. Spin it slowly, then start with your light in the center and draw a line slowly to the outside edge. You can make different kinds of spirals by going faster or slower.

STEP 10
7:18

Finally, let’s get creative by trying different lines and patterns. Try moving the light across the wheel in different ways to create new patterns. Wait a few minutes and you’ll have a blank wheel to draw again!

How It Works

The light we are using is a special type of light, called ultraviolet light, or (UV light) for short. It looks almost purple and is the same type of light you would see at a blacklight party. A blacklight and a UV light are the same, it’s just a synonym. The material we used absorbs UV light but can’t hold onto it, so it slowly releases it as a glow.

When we used other colored lights like red and green, it didn’t work. That’s because this experiment needs a powerful kind of light shining on it, like ultraviolet. Red is the weakest of all the colors, green is a little stronger, but not as strong as ultraviolet light.

Did you know? The biggest source of ultraviolet light comes from the sun.
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