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Headmaster

Headmaster icon

Hiccup told me about how much work you did to help repair the damages that the storm caused our school. Great job! I heard you and Hiccup placed a skylight within the Great Hall at the school to cover the wrecked hole in the roof. I think it does a great job of keeping out the rain and lighting up the room

Have you seen the new Great Hall? You should go inside and take a look.

1- Visit the School Great Hall

Headmaster

Headmaster icon

Your glass discovery lets the sunlight in but keeps the rain out. Your glass prisms and panes can bend or transmit light. This is truly a remarkable discovery!

The school shall start researching how light energy propagates. I'll look to you for help.

For now, I was hoping to spread even more light into the Great Hall somehow. Talk to Heather and see if you can find a solution.

2- Talk to Heather

Heather

Heather icon

That's an interesting idea. I love solving puzzles; I wonder if we can figure this out using the science we've already discovered.

Let me think ... during our experiment with glass prisms in the wilderness, we found out that light can refract - or change direction - when it travels through a shaped glass. I wonder if we can direct the light that comes through the skylight and spread it out into the whole room!

We can do that through lenses. A lens is a piece of glass (or other transparent substance), with curved sides for focusing or dispersing light. For instance, the lens in your eye is a convex lens. It focuses light rays on the back of your eye. That's how your mind sees what your eyes see.

Our hypothesis is: "Any lens will refract the light and fill the room with light." I know that Hiccup was trying to make glass lenses for a telescope. Can you talk to him and see if he can give us a lens?

3- Talk to Hiccup

Hiccup

Hiccup icon

Heather told you about the lenses I made? Well, hear me out. I had this crazy idea about telescopes. We have one at the school, but it's pretty small. It can fit in our hand. What if we made a telescope that was as large as Heather's laboratory? We might even be able to see across the ocean and discover new dragons!

Well, more of my crazy ideas later. I mean, you didn't come to hear me ramble. Hear, you can have this lens for the Great Hall!

Take this lens to the Great Hall, [Your Viking's Name]. I hope Heather's hypothesis turns out to be true!

4- Take the lens to the Great Hall

Heather

Heather icon

Whoa! Okay, we just proved our hypothesis was false! Be careful. That spot is pretty hot.

Concave and Convex lenses both refract light rays, changing the focus of light. This lens that Hiccup gave you is a convex lens. It's thicker in the middle than at the edges. That shape helps to converge, or direct, the light into one focal point. So we now know that a convex lens will not diffuse the light.

Let's try a concave lens. I bet Hiccup has one, but we can't just take all his glass. Will you help gather some sandstone in the Wilderness? He can use that to make more glass.

5- Find 4 sandstone in the Wilderness (0/4)

Heather

Heather icon

Nicely done!
Hiccup

Hiccup icon

Thanks for restocking my supplies, [Your Viking's Name]. I was starting to run low! Bring the sandstone to me and I'll craft you a concave lens.

6- Give the sandstone to Hiccup

Hiccup

Hiccup icon

I can definitely use this to make more glass. Hope this concave lens works out better for you than the convex one!
Heather

Heather icon

Okay, we've revised our hypothesis to state that "A concave lens will spread out the light in the Great Hall and make it brighter." Come back to the Great Hall and we'll test it out!

7- See the concave lens in the Great Hall

Heather

Heather icon

Yes! How exciting! It worked!

I love it when an experiment falls into place. Tell the Headmaster that we've worked our magic and got exactly what he wanted. Of course, by 'work our magic' I mean 'figured out the problem through science!'

8- Talk to the Headmaster

Headmaster

Headmaster icon

I knew I could count on you. Good job.
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