Student Mode

Human Machine    Mystery 2

Thumbnail%2520eye 211610

What do people who are blind see?

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Beginning Exploration (1 of 6)
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Beginning Exploration (2 of 6)

DISCUSS (1 of 3):

Why do you think some people have problems with vision?

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Beginning Exploration (3 of 6)

DISCUSS (2 of 3):

How could we figure out how eyes work?

Here’s what we came up with...

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Beginning Exploration (4 of 6)

DISCUSS (3 of 3): Look at these eyes, and the eyes of the person next to you. What's the same? What's different?

Eyes Comparison

Do you think that any of the differences could explain why some people have trouble with vision, or not?

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Beginning Exploration (5 of 6)
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Beginning Activity Prep
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Activity Prep

The working model of the eye that student make in this mystery will also be used in the next mystery.

Step 1: Get lenses.

To make a model eye, each student will need a credit-card-sized 3X magnifying lens.

To get the best price (30 lenses for under $10), order in bulk online. You’ll find great prices on ebay.com, but you have to plan a few weeks ahead. Search for ebay “3X credit-card magnifier.” If you’re in a hurry, these lenses are also available on Amazon (12 lenses for under $10 or 12 lenses for under $6).

Step 2: Try it out yourself first.

As soon as you have a 3X magnifying lens, use it to make an image. For the best image, you need a dimly lit room and an interesting light source — like a window that lets light in, a lamp with a shade, a television. Watch this short video for a demonstration.

After you’ve made an image, check to see what will work in your classroom. Do you have a door to the outside that you can prop open? A bright window? An interesting light fixture?

Step 3: Get other supplies and print handouts.

Each student will need:

  • a 3X magnifying lens (described in step 1)
  • Front of the Eye template — print it here
  • scissors
  • a marker, colored pencil, or crayon for coloring the iris
  • 2 stickers measuring about ½” by ½”. (We use round sticky dots. You can use tape instead of stickers, but we find it easier to hand out stickers than small strips of tape.)
  • a 3x5 card
Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Activity: Eye Model
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Beginning Exploration (6 of 6)
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Optional Extras

Below are ideas for extending this topic beyond the activity & exploration you just completed.
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Readings:

These Common-Core-aligned readings are free with registration on ReadWorks. All readings include comprehension questions.

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Beginning Activity Prep
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Activity Prep

The working model of the eye that student make in this mystery will also be used in the next mystery.

Step 1: Get lenses.

To make a model eye, each student will need a credit-card-sized 3X magnifying lens.

To get the best price (30 lenses for under $10), order in bulk online. You’ll find great prices on ebay.com, but you have to plan a few weeks ahead. Search for ebay “3X credit-card magnifier.” If you’re in a hurry, these lenses are also available on Amazon (12 lenses for under $10 or 12 lenses for under $6).

Step 2: Try it out yourself first.

As soon as you have a 3X magnifying lens, use it to make an image. For the best image, you need a dimly lit room and an interesting light source — like a window that lets light in, a lamp with a shade, a television. Watch this short video for a demonstration.

After you’ve made an image, check to see what will work in your classroom. Do you have a door to the outside that you can prop open? A bright window? An interesting light fixture?

Step 3: Get other supplies and print handouts.

Each student will need:

  • a 3X magnifying lens (described in step 1)
  • Front of the Eye template — print it here
  • scissors
  • a marker, colored pencil, or crayon for coloring the iris
  • 2 stickers measuring about ½” by ½”. (We use round sticky dots. You can use tape instead of stickers, but we find it easier to hand out stickers than small strips of tape.)
  • a 3x5 card

Image & Video Credits

Mystery Science respects the intellectual property rights of the owners of visual assets. We make every effort to use images and videos under appropriate licenses from the owner or by reaching out to the owner to get explicit permission. If you are the owner of a visual and believe we are using it without permission, please contact us—we will reply promptly and make things right.

Exploration
blind man by TommyEdisonXP , used under CC BY
cat in window by Chris Lattuada , used under CC BY / Heavily modified
glasses by Michelle Arseneault , used under CC BY-SA / Adjusted color, cropped
Activity
race car by The Tire Zoo , used under CC BY
Other