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The Shape of Floatation
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In this activity (on page 2 of the PDF under GPS: Sailboat Design Activity), learners will discover how the shape of an object, not just its weight, determines whether it floats or sinks.
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From the Internet to Outer Space
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In this activity, learners will use Google Sky to observe features of the night sky and share their observations.
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Public Key Encryption: Kid Krypto
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In this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners.
Mercury in the Environment
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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.
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Tops
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In this activity, learners discover that some things only stand up while they are spinning.
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Statistics: Wet Heads
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In this math lesson, learners learn how to construct stem and leaf plots. Learners first estimate the number of drops of water that will fit on the head of a penny.
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Kelsey: Clues of the Dig Site Map
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In this activity, learners explore dinosaur fossils and a dig site. Learners work in groups to analyze a dig site map and match bones to a skeletal drawing of Kelsey (a Triceratops).
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Box Ecology
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This great "re-use it" activity will demonstrate how to transform a greeting card into a box. Once constructed, the box can have many uses like holding special notes or keepsakes.
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Hull Engineering
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In this activity, learners explore how the hull shape impacts a ship's performance and stability.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-829.png?itok=pvVmazG_)
Hold a Hill
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In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.
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Our Sense of Sight: Color Vision
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In this activity, learners investigate color vision as well as plan and conduct their own experiments.
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Making a One-Second Timer
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This lab activity has learners create a pendulum with a one-second period.
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Pulleys
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In this activity, learners build inexpensive pulley assemblies from pulley wheels used for sliding screen door replacement or from clothesline spreaders.
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Don't Crack Humpty
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Groups of learners are provided with a generic car base and an egg. Their mission: design a device/enclosure to protect the egg on or in the car as it rolls down a ramp with increasing slopes.
Measuring Rules
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In this math activity, learners create their own units of measurement by making noodle rulers. Learners practice estimating and measuring objects using the noodle rulers .
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Incredible Shrinking Shapes
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In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.
Quick Questions: Create a Survey
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In this activity, learners will conduct an open-ended survey, and then organize and analyze results. What languages does everyone speak? What’s the most common? the least common?
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Water Clean-up
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This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water.
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Plot the Dot: A Graphical Approach to Density
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In this activity, learners work in groups to determine the mass and volume of four samples: glass marbles, steel washers or nuts, pieces of pine wood, and pieces of PVC pipe.
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Inverse Functions: Pennies, Pressure, Temperature, and Light
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The major goal of this math lesson is to have learners collect data from a variety of experiments, determine what models best fits their data, and explain why their models are best.