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676 resources with the concept chemical reactions

Lesson Planet

Powder Particulars

For Teachers 3rd - 8th
By both demonstration and hands-on investigation, physical science fanatics come to know that some materials react when they come together. Adding vinegar to both baking soda and to baking powder, the difference between the two is clear....
4:56
Lesson Planet

How to Speed Up Chemical Reactions (and Get a Date)

For Students 9th - 12th Standards
How are chemical reactions like dating? A collision must first occur! In this hilarious approach to speeding up chemical reactions, viewers find out that five changes can increase the rate of reaction: smaller space, increased number of...
3:25
Lesson Planet

If Molecules Were People...

For Students 7th - 12th Standards
By watching this droll and delightful animation, physical scientists consider what happens when molecules collide. In this film, however, parodic people bump into each other, exchanging limbs in the process, just as molecules might trade...
3:14
Lesson Planet

Red Cabbage Chemistry

For Teachers 4th - 9th
An acid/base indicator that's made of blended red cabbage and water is used to demonstrate the various reactions that an acid/base solution goes through when some carbon dioxide gas is added. The best way to add the carbon dioxide is to...
0:57
Lesson Planet

Film Canister Explosion

For Teachers 4th - 6th
Here is an outstanding experiment for young scientists! Film canisters (remember those?) are filled with water, and an Alka Seltzer tablet is dropped in. Explosions occur very quickly! The challenge for youngsters is to find out what the...
3:14
Lesson Planet

Acid Breath

For Teachers 4th - 9th
An acid/base indicator that's made of blended red cabbage and water is used to demonstrate the various reactions that an acid/base solution goes through when some carbon dioxide gas is added. The best way to add the carbon dioxide is to...
2:21
Lesson Planet

How to Blow Up a Balloon With Baking Soda & Vinegar

For Teachers 5th - 8th
A simple combination of baking soda and vinegar creates enough carbon dioxide to blow up a balloon! It's an awesome illustration of chemical reactions for upper elementary learners, or use it with slightly older scientists to introduce...
Lesson Planet

goREACT

For Students 7th - 12th
Beginning Boyles and curious Curies can safely experiment with the virtual mixing of elements using this entertaining application. 
Lesson Planet

2007 U.S. National Chemistry Olympiad Local Section Exam

For Students 9th - 12th
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Lesson Planet

2002 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
Lesson Planet

2000 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
The National Chemistry Olympiad exams are comprehensive tests covering an entire  year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
Lesson Planet

Eggs'ceptional Experiments

For Teachers 3rd - 4th
Learners see evidence of chemical reaction and follow the scientific method to hypothesize, observe, and reach conclusions. They conduct a series of egg based experiments such as forming crystals and complete journal activities as a...
Lesson Planet

2009 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
Lesson Planet

The Chemistry of Life

For Teachers 9th - 12th
A smooth sequence of slides introduces biology learners to chemistry concepts that are vital to understanding life processes. It also can serve as an outstanding overview of introductory organic chemistry principles. From the atom, to...
Lesson Planet

Chemical Formulas for Molecules

For Teachers 7th - 12th
Newcomers to chemistry compare hydrogen peroxide to water, realizing that the difference of one oxygen atom significantly affects the chemical properties. Other pairs of compounds and their formulas are also examined. A few chemical...
Lesson Planet

Observing Chemical Reactions

For Teachers 9th - 12th
Start this series of lessons with a bang! Five exothermic reactions are outlined in this resource, including a demonstration that produces both light and sound. In the lab, chemistry apprentices record temperature changes, make hand...
Lesson Planet

Chemical Equations and Reactions

For Teachers 9th - 12th
Graphic organizers, photos, diagrams, and text bring the world of chemical reactions to life. By viewing this presentation, young chemists learn how to recognize when a chemical reaction has occurred, and how to balance chemical...
Lesson Planet

2001 U.S. National Chemistry Olympiad - Local Section Exam

For Students 9th - 12th
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
Lesson Planet

Heat Energy Released or Absorbed in Chemical Reactions

For Teachers 9th - 12th
Chemistry whizzes test the change in water temperature produced by a burning candle and the change in acid temperature produced by magnesium metal. With these two laboratory activities they explore heat produced during chemical...
Lesson Planet

Will It React?

For Teachers 5th - 8th
After viewing a short video about property changes, preteen scientists watch you combine different materials, and then perform two of their own experiments. For each demonstration or activity, they are to determine whether a physical or...
Lesson Planet

Chemical Reactions Types

For Students 10th - 12th
Dealing with various types of chemical reactions, this is a note-taking and practice problem worksheet. It has a professional appearance and is well-organized, identifying they type of reaction being taught down the left-hand side of the...
9:56
Lesson Planet

Stoichiometry

For Students 7th - 10th
Sal introduces students of chemistry to "Stoichiometry," which is the calculation of measureable relationships of the reactants and products in a chemical reaction. Sal sets up a balanced chemical equation and then, using the Periodic...
12:06
Lesson Planet

Stoichiometry Example Problem 2

For Students 7th - 10th
Sal utilizes a problem from a chemistry textbook in order to shed light on the process called Stoichiometry. This is an extremely long video and is heavy on the math. The problem that Sal works through illustrates the techniques involved...
Lesson Planet

The Fate of Calcium Carbonate

For Students K - 5th Standards
Soften up an egg. Learners use vinegar to test for calcium carbonate in an egg shell and an antacid tablet and compare the reaction with vinegar to the reaction with water. In a second experiment, class members break down an egg shell...