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Float or Sink?

For Teachers 6th - 8th
Students examine why some objects float while others do not. They place various objects in water to observe their floating capability. Students record the object, its weight, and if the object floated. They construct a graph plotting...
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Build an Electrophoresis Chamber

For Teachers 5th - 8th
Students explore electrophoresis, a technique used to isolate DNA. They assemble a gel chamber for separating mixtures. Students observe separation influenced by electric charge. They define separation through gel electrophoresis.
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Create Your Own Fog

For Teachers 6th
Students describe weather conditions and climates. They describe patterns of changing weather and how they are measured. Students explain and predict general weather patterns and storms. Students form fog in a jug.
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Look at Those Leaves!

For Teachers K - 2nd
Young scholars research tree leaves. For this tree leaves lesson, students observe, measure, and sort tree leaves. Young scholars examine leaves individually, in groups, and in relationship to the entire tree.
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Finding a Difference

For Teachers K - 2nd
Learners find a small difference by counting up from the smaller to the larger number. They count the ones that don't match, lay them horizontally to match them to the orientation of the number line and show the two numbers on...
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Diffusion of Molecules

For Teachers 4th - 5th
Students study the process for diffusion of molecules. In this chemistry instructional activity, students understand molecular movement, develop skills for a chemistry investigation, develop skills in making hypotheses, develop...
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DENSITIES OF REGULARLY SHAPED SOLIDS

For Teachers 6th - 8th
Young scholars calculate the volumes of regularly shaped objects from measurements of their dimensions. They use several formulas and measure different objects to calculate the density, volume, and mass of the objects selected or assigned.
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SLIME!

For Teachers 1st - 6th
Young scholars learn the effects of friction and examine how certain lubricants can only be used with certain materials.
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Diffusion Of Molecules

For Teachers 3rd - 4th
Students investigate molecular movement while studying how to perform a chemistry investigation.
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Melting and Freezing

For Teachers 5th
Fifth graders observe experiments with ice and water. They complete a Venn diagram listing the properties of each. They experiment with ice and water, comparing their weights. They note the weights are equal.
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You Can Be a Woman Engineer

For Teachers 4th - 6th
Students inspect a variety of objects from different points of view. The front, right, side, top and bottom. They then draw a diagram of that object from the point of view chosen. Also, they think of other objects and draw them from...
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Ordering Objects By Length

For Teachers K
Students compare and describe objects of differing lengths that are presented in a Mathkeys software compare mat. Working in pairs, one student is the chooser who sets up the objects while the other student is the sizer who puts the...
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Penguins and Their Habitats

For Teachers 1st
First graders research and observe penguins in their natural habitats. They conduct Internet research, complete a penguin WebQuest, and compile information on a selected type of penguin. Using their research information they create a...
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Present Hunt

For Teachers 1st - 2nd
For this game pupils move around a game board by spinning a spinner and moving to the next place on the board whose shape matches the one they spun.
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Sink or Swim

For Teachers 7th - 9th
Students define density and explain how to determine the density of an object. Students participate in a demonstration that shows the differences in the densities of different liquids and how they affect the liquid's physical properties.
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Making Layered Hail Stones

For Teachers 6th - 8th
Students explore how hail forms in the atmosphere, why hailstones are layered, and what accretion is. They also learn what supercooled liquids are.
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Physical Difference and Classification

For Teachers 3rd - 4th
Students use a microscope and observation skills to compare and contrast several physical properties and develop a classification system.
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Marble Game

For Teachers K - 1st
Students practice counting groups of items of six or more. They create equivalent sets.
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Awareness of Pre-algebra Concepts

For Teachers 3rd - 8th
Students work in a cooperative group of three to solve algebraic equations with roles assigned for manipulator, recorder, and checker. They utilize hands-on learning materials imbedded in the lesson plan.
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Into the Pond

For Teachers 7th
Seventh graders use a pond to explore macroinvertebrates and other organisms. They use a dichotomous key to classify the organisms and maintain a journal recording their findings.
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Fruity Counters

For Teachers K
Students classify objects that are similar by one attribute. They explain what a pattern is and how to make a pattern using objects.
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Drink It Up!

For Teachers K - 2nd
Students investigate how the human body needs water by recording their water consumption for a day. They sing a song about drinking water, make and drink Kool-Aid and eat apple slices, and conduct an experiment to determine how much...
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The Folding Problem

For Teachers 9th
Ninth graders experiment with paper folding to create geometrical shapes. Students analyze the Copymaster of the problem. After the students have worked on their own for a while, stop them and discuss.
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Penny's Box

For Teachers 7th - 9th
Students need to be able to calculate the volume and surface area of a cuboid as well as present a systematic list of results in order to justify the minimum case. The use of three factors of 100 is also important.

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