Curated OER
Mystery of the Eleven Unknown Substances
Fourth graders identify eleven white substances that are commonly found in the household. They, in pairs, perform experiments on a variety of substances, and must identify them based on the reactions they observe.
Curated OER
Coloring Fabrics With Dyes from Plant Materials K-12 Experiments & Background Information
Students investigate the effects of acid and bases on dyes made with plant materials. In this chromatography lesson students predict color outcomes and complete a lab activity on color combinations.
Curated OER
Activity #7 Apple Color Change
Students compare the different rates of reaction between an apple covered with vitamin C and an apple with no vitamin C. They compare the different rates of reaction between an apple placed in the sun and one not exposed to the sun. ...
Curated OER
Oxygen
Students explore oxygen and its physical and chemical propeties. In this investigative lesson students complete several experiments using oxygen.
Curated OER
Sour Acids and Bitter Bases
Pupils explore acids and bases. They experience the sour taste of acids and the bitter taste of bases by tasting substances such as chocolate, lemon juice, and baking soda. in addition, they complete a worksheet for individual assessment.
Curated OER
Snowflake Bentley
Learners explore crystals through the story Snowflake Bentley and then create crystal pictures of their own. In this interdisciplinary lesson, they create a crystal web chart on chart paper, design artificial snowflakes, and write poems...
Exploratorium
Your Sense of Taste
A simple and sweet activity shows students how important smell is in interpreting flavor. Pairs of pupils hold their noses and eat Life Savers®, only to find that they can't identify the flavors until they let go. You will appreciate...
Curated OER
What Changes Occur When Water Freezes?
Learners investigate the changes that occur at the molecular level when a liquid becomes a solid. They freeze water in baby jars and observe the changes that occur in the process.
Curated OER
Basic Subtraction Facts
In this basic subtraction facts worksheet, students problem solve and calculate the answers to twenty subtraction equations. Students double-check their answers with their classmates.
Curated OER
Vocabulary Practice
In this sentence completion worksheet, students read two choices of vocabulary words and choose the correct words to make the sentences make sense. Students choose 14 answers.
Curated OER
Indra Nooyi
In this Indra Nooyi worksheet, learners read about the life of the CEo of Pepsi, then complete a variety of comprehension activities. An answer key is included.
Curated OER
Marie Curie
In this famous person activity, students read a passage about Marie Curie and then complete a variety of in-class and homework activities to support comprehension, including partner interviews, spelling, cloze, synonym matches, and...
Curated OER
Pigment Plucking
Students examine pigments found in different fruits and vegetables and practice the processes for extracting the pigments. Pigments are used to create artwork and a class PowerPoint presentation is made on the different types of plant...
Curated OER
What Trout Need
Students investigate the important components for a healthy trout habitat. In this fish habitat lesson, students discuss how the aquarium will simulate a trout's environment in nature. Students complete a trout information sheet to set...
Other
Black Inventors: Lloyd Hall
Lloyd Hall was a pioneer in the field of food chemistry, preservation, and sterilization.
![Maryland Science Center: Caramel Chemistry [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Maryland Science Center: Caramel Chemistry [Pdf] Activity")
Maryland Science Center
Maryland Science Center: Caramel Chemistry [Pdf]
This activity demonstrates the Maillard Reaction, which explains how browning and flavor develop when something is cooked.
Royal Society of Chemistry
Royal Society of Chemistry: Kitchen Chemistry: Is All Salt the Same? [Pdf]
Lesson plan investigation into types of salts used to season foods and in recipes asks students to consider and whether advertisers' claims about their salt products are truthful.
Science Bob Pflugfelder
Science Bob: Homemade Slime!
Contains a procedure for creating slime -- a polymer formed by mixing water, borax, Elmer's glue, and food coloring. Following the procedure, the site contains a brief description of what polymers are.
Science Buddies
Science Buddies: When Science Is Sweet: Growing Rock Candy Crystals
Though rock candy seems to be a simple enough treat, it is also pretty interesting to make. Crystallized sugar that can be grown from a sugar-water solution is just how rock candy is made. In this experiment, you will learn to make your...
Science Struck
Science Struck: Chemical Reactions in Everyday Life
Provides some common examples of chemical reactions, e.g., in respiration, rusting, and photosynthesis.
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