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Shady Snakes
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In this activity, learners make pretend snakes and use them to explore estimation and measurement. Learners roll out clay snakes and estimate and measure their lengths and diameters.

Marble Ride
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In this activity, challenge learners to design a roller coaster ride for a marble using cardboard and other simple materials.

Ancient Observatories: Timeless Knowledge Activities
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This lesson plan provides learners with two activities to explore the connections between events in their lives and the seasons of the year.

Observing the Moon
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Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.
The Right Fit
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In this math activity, learners trace their hands and estimate the number of beans that can fit into their hand tracings. Then, learners glue the beans to the tracing to test out their estimations.

Exploring Measurement
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In this "Sid the Science Kid" activity, learners use their bodies to measure a room. Instead of inches or feet, how many kids does it take to measure the length of a room?
More Bubbles!
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In this math activity, learners make their own bubble wands and determine if the size of the wand affects the number of bubbles it produces.

Family Reunion
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In this activity, learners combine counting, area and perimeter concepts as they prepare the seating arrangement for a family reunion dinner.

Science of Sunblock
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This is an activity (located on page 3 of the PDF under Stained Glass Activity) about nanotechnology making its way into everyday products, such as sunscreen, and how effective these invisible particl

Comparing Crystals
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In this chemistry activity (page 3 of the PDF), learners will learn about crystals by growing their very own.

Factors and Multiples Puzzle
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This puzzle provides an interesting context which challenges learners to apply their knowledge of the properties of numbers.

Mosquito Life Cycle
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In this activity, learners build a plastic emergence chamber (or use purchased "mini mosquito breeder") to observe and analyze the mosquito life cycle.

Optical Morpher
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In this amazing activity about light and reflection, learners will use a pie plate and reflective strips from a mylar balloon to try to morph their face into a friend's.

Make Your Own Pendulum
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In this demonstration about force and motion, learners will explore the forces that affect a pendulum A simple model pendulum comprised of a ball and string demonstrates how pendulums work as well as

Chemical Reactions in Your Mouth
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In this chemistry activity (page 5 of the PDF), learners will see that chewing is more than just the crushing up of food; there is actually a chemical change going on at the same time.

Half Full or Half Empty
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In this activity (12th activity on the page), learners conduct an experiment to demonstrate how muscles are constantly feeding information to the brain about what they are doing.

Biodiversity and Evolutionary Trees
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In this interactive activity, learners analyze seashells to explore phylogeny and evolution. Learners identify similar and dissimilar seashells to create a phylogenetic tree.

Trebuchet Toss
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In this activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials.

Paper Puzzle
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In this math activity, challenge learners to make two equal rows from eight different paper strips. Learners can explore the many ways they can solve this problem.

Cabbage Juice Indicator: Test the pH of household products
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Learners make their own acid-base indicator from red cabbage. They use this indicator to test substances around the house.