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Penny for Your Thoughts
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In this activity, learners will explore how metals react with each other. They will see these metals change before their eyes as they coat a paperclip with the copper taken from a penny.
Drip Drop
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In this water activity, learners explore how water drops behave on different surfaces.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-683.jpg?itok=uizPAlIu)
The Beaks of the Finches
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In this simulation, learners become birds different beak types. Learners use various tools to represent beaks to pick up seeds and place them in a petri dish.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-237.jpg?itok=GSpGipsX)
Scientific Measurement Exercise
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Learners measure irregularly shaped bones using a variety of measurement methods and tools. Then, they measure again using standard conventions and metric tape measures.
Making Rivers
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In this outdoor water activity, learners explore how to change the direction of water flow. Learners make puddles in dirt or use existing puddles and sticks to make water flow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-061.jpg?itok=cOsfo695)
Engineering Ups and Downs
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In this activity, learners explore the engineering and principles behind working elevators.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-965.png?itok=RaRbUO-g)
Hot Stuff!
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In this activity, learners discover that sand is the major ingredient in glass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-993.jpg?itok=q8igqcdr)
Tourist Town: Dominating Sets
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In this activity, learners use a fictitious map of "Tourist Town" and counters to problem solve how to place ice-cream vans on street intersections so that every other intersection is connected to one
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Topological Puzzles
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In this activity, learners construct three math puzzles out of simple materials like wood, string, and Styrofoam.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-165.jpg?itok=ZUEQFDMb)
Design-a-Fish
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In this science and language arts activity, learners study fish anatomy and make their very own 3D paper fish.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-924.png?itok=7e8muaXb)
Layered Fossil Parfait: Deeper is Older
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In this activity, learners explore dinosaur fossils by making an edible treat. First, learners read "Dinosaur Bones" by Aliki to examine how fossils are formed.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-289.jpg?itok=-M6QRYcV)
Invent on the Spot
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In this activity, learners design a device to solve a problem: how to get a ball out of a drain pipe.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-930.png?itok=5ZZVwjp4)
Compare Dinosaur Body Parts
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In this activity, learners explore the size and scale of dinosaurs. Learners listen to "The Littlest Dinosaurs" by Bernard Most to learn about the different sizes of dinosaurs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-706.jpg?itok=haTrfkXo)
Probability: Remove One
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In this math lesson, learners are given 15 chips and a number line labeled from 2-12.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-048.png?itok=zASW-9f1)
The Ladder of Life
Source Institutions
In this activity, learners identify the DNA base bars guanine, cytosine, thymine and adenine. Learners create a DNA model using colored paper clips to resemble these base pairs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-544.png?itok=8YsqRB0G)
Good Stress
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In this activity about physical stress (page 28 of PDF), learners discover that muscles and bones need to work to stay strong.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-552.png?itok=NoDA_v-c)
A System of Transport
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In this activity about the human heart (on page 5 of the PDF), learners work in teams to simulate the volume of blood moved through the circulatory system by transferring liquid into--and through--a s
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-546.png?itok=BHKHNaEX)
What is Blood Pressure?
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In this activity about heart health (on page 34 of the PDF), learners measure their own blood pressure using an electronic blood pressure monitor with a self-inflating cuff (included in cost of materi
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-738.png?itok=ualAi3ef)
Statistics: Creature Features
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In this math activity, learners collect, organize, and analyze a set of data related to types of animals in the temperate forest.
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Catch Your Breath: Build a Spirometer and Measure your Lung Capacity
Source Institutions
In this activity, learners will measure their lung capacity by making their own spirometer. Learners will then explore factors that affect the amount of air the lungs can hold.