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Activity
It's About Time

Elements and Their Properties

For Teachers 7th - 12th
How did ancient scientists classify elements? Answer this question and others as young chemists create a device to test the properties of various elements. They classify elements as metals or nonmetals, learn to differentiate between...
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Lesson Plan
Kenan Fellows

How Much Heat Can a Phase Change Produce?

For Teachers 9th - 12th Standards
Scholars learn about heat release in phase changes. They perform calculations as they compare and contrast a science fiction passage and a home heating application.
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Lesson Plan
Curated OER

Gas Law Investigation

For Teachers 9th - 12th
Investigators collect the carbon dioxide produced when an antacid tablet is activated and identify what alteration produced the most gas. They also collect the gas in a buret in order to practice precision. Then they choose between two...
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Lesson Plan
Curated OER

Lead and Mercury Ion Catalase Inhibition

For Teachers 8th - 9th
Students participate in a laboratory investigation in which they observe the effect of temperature and pH on enzyme activity. Students also examine exposure to heavy metal ions and the effect that may have on enzyme activity.
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Worksheet
Curated OER

Density Problems

For Students 9th - 12th
In this density worksheet, students are given 11 problems and they determine the density of the substance, the mass of the substance or the volume. They write the equation they use to solve the problem, they show their work and they box...
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Worksheet
Curated OER

Percent Yield

For Students 9th - 12th
In this percent yield worksheet, students solve 4 problems. They find the percent yield given the chemical reaction, the mass of the reactants and the mass of the products. Given the percent yield students find the liters of a substance...
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Lesson Plan
Curated OER

Substitution and Elimination Reactions

For Teachers Higher Ed
In this substitution and elimination reactions worksheet, students compete reactions by drawing the structural formulas for 18 reactions. If no reaction occurs, students write N.R.
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Worksheet
Curated OER

Organic Molecules Detected on Distant Planet!

For Students 7th - 9th
Here is a planet worksheet in which learners read about organic molecules detected through spectral lines of the planet Osiris. They calculate the mass, the volume and the densities of common ingredients for planets including Osiris and...
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PPT
Curated OER

Excess Reactant

For Teachers 9th - 12th
Junior chemists discover how to calculate excess reactants, handle limiting reactants, and determine percent yield. After background information is provided, step-by-step examples are solved. You can use this detailed slide show to teach...
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Lesson Plan
Beyond Benign

Catalysts and Oxygen

For Teachers 9th - 12th Standards
Here is an engaging and hands-on lesson plan that allows high school chemists to demonstrate the effects of a catalyst on various chemicals. They garner knowledge of how reactants and products differ from one another, while analyzing the...
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Activity
Exploratorium

Penny Battery

For Teachers 6th - 12th
Use pennies to light an LED. Class members follow the provided directions to build a multi-celled battery powered by pennies. Using stacks of pennies of varying heights, pupils control the voltage of the battery to light different colors...
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Handout
National Institute of Open Schooling

Chemical Kinetics

For Students 9th - 12th Standards
Not all chemical reactions happen at the same rate because some, like explosions, occur quickly and some, like rusting, occur over time. Here, learners explore chemical reactions and their rates in the 16th lesson of 36. Through readings...
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Handout
National Institute of Open Schooling

Colloids

For Students 7th - 12th Standards
Classes explore colloids through readings and questions in lesson 10 in a series of 36. They learn everything from methods of preparation and properties to how to classify colloids. They finish the lesson by seeing how to apply...
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Lesson Plan
NOAA

Off Base

For Teachers 9th - 12th Standards
How does carbon dioxide affect the world's oceans? The final installment in a series of six lessons has pupils research ocean acidification, then conduct an experiment to witness the delicate balance that exists in our seas. Materials...
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Assessment
Concord Consortium

Acid Test

For Students 9th - 12th Standards
This isn't your typical basic lesson—it's more acidic! Learners use pH information to determine the hydroxide ion concentration of different substances and then use these values to analyze information. The calculations require...
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Activity
1
1
NOAA

Why Should I Care?: Show How Increased Carbon Dioxide Makes the Ocean More Acidic

For Students 6th - 8th Standards
How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...
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Lesson Plan
Curated OER

Museum Practice for Students

For Teachers K - 5th
Before any of us can learn to enjoy a trip to an art museum, we need to learn how to behave. This list of activities describe the behavior expected on a trip to an art museum. Each behavior comes with an activity intended to demonstrate...
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Lesson Plan
Curated OER

Sink or Float

For Teachers 2nd
Second graders explore floating and sinking and make predictions about whether certain objects are likely to sink or float. They read the story Who Sank the Boat? by Pamela Allen. Pupils loacate rhyming words and discuss the events of...
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Lesson Plan
Curated OER

Photosynethsis....How do we know it's really happening? - Biology Teaching Thesis

For Teachers 9th - 12th
Students think of one way to detect photosynthesis in plants besides those ways shown in class. They identify the reaction that occurs during photosynthesis. Students define the difference between an acid and a base. They identify acidic...
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Worksheet
Curated OER

Conversion Factors

For Students 9th - 12th
In this conversion factor worksheet, students convert 15 problems within the SI system of measurement. They show their work and indicate the proper units.
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Lesson Plan
Curated OER

Substitution and Elimination Reactions

For Teachers Higher Ed
In this substitution and elimination reactions worksheet, students complete 11 reactions by writing the structural formulas for the products. If no reaction occurs, they write N.R. They also write structures of the products for 3...
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Worksheet
Curated OER

Review Set

For Students 10th
The topics covered in these multiple choice questions are about atomic structure and bonding, state configurations, pressure and solution concentration, and energy graphs. This is a midterm review which could be used with the whole...
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Lesson Plan
2
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American Chemical Society

Moving Molecules in a Solid

For Teachers 6th - 8th Standards
Who likes magic shows? In the fourth of five lessons, pupils view a scientific magic trick. The ball fits through the ring easily, but then moments later, it won't pass through anymore. What changed? Can we reverse the change? Scholars...
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Lesson Plan
University of California

Hot! Hot! Hot!

For Teachers 7th - 10th Standards
Calories are not tiny creatures that sew your clothes tighter every night, but what are they? A science activity, presented at multiple levels, has learners experiment with heat, heat transfer, and graph the function over time. It also...

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