Beyond Benign
SLS Toxicology Test
Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...
American Chemical Society
Moving Molecules in a Solid
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...
Beyond Benign
In a Lather
Time to come clean! Scholars continue preparing the shampoo they created in the previous two lessons. The purpose of this stage is to calculate the perfect amount of additive to make the shampoo lather.
Cornell University
Discovering Enzymes
Explore the function of enzymes through a series of lab investigations. Learners use household enzymes such as hydrogen peroxide to model the role of enzymes. The enzymes break down proteins with and without a catalyst.
Cornell University
What Is Rust?
Why do metals rust differently? Scholars experiment with metal combinations in a hands-on activity. They create unique environments with different metals and compare the rate and amount of rust for each.
Curated OER
Activity #8 U Are So Dense!
Young scholars watch as the teacher demonstrates: if a single liquid is placed in a U-shaped tube, the level of liquid on both sides are the same. When the mass is greater on one side than the other, liquid is pushed from one side to...
Curated OER
Determining Liquid Densities
Students practice determining liquid densities in a short, hands-on lab activity. Students use a graduated cylinder to measure out 100 milliliters of a liquid, find its mass using a balance, and record measurements in a data table....
Curated OER
Activity #8 Which State Are You In?
Students define, give similarites and differences between solids, liquids, and gases. They compare and contrast a solid, liquid and gas in terms of shape, volume, compressibility, diffusion and density. Pupils classigy common...
Curated OER
What Changes Occur When Ice Melts?
Young scholars explore the physical process of melting. They observe melting ice and answer questions related to energy transfer during phase changes.
Curated OER
Activity #20 Tear An Aluminum Can In Half
Students observe the chemical reaction between CuCl2 and aluminum. They identify the evidence for a chemical change. Pupils answer the following questions after observing the experiment: How do you know a chemical reaction occurred?,...
Curated OER
Freshwater Macroinvertebrates
Students identify and count Macroinvertebrates at a Hydrology website. In this macroinvertebrates lesson students collect, sort and identify Macroinvertebrates.
Curated OER
Ice Cream
Open this instructional activity by giving a brief history of ice cream. Using liquid nitrogen to lower the temperature, preteens make their own confection. The accompanying activity sheet queries learners about freezing point, the...
Curated OER
Capillary Action and Adhesion
Students perform classroom experiments to observe adhesion. They perform a second experiment using sand, salt, water, and a heat lamp to observe the principle of capillary action. They also experiment with adhesion in plants.
Curated OER
Esters: The Secret of Natural and Synthetic Fragrances
Students investigate esters, make an ester and detect esters in natural foods and plants. In this esters lesson plan, students detect smells of hidden objects, produce an ester using peas, brown sugar and apple and demonstrate how to...
Curated OER
Get a Job.....Build a Battery!
Students design and construct a battery (electrochemical cell). They works in a team to design and construct a working battery and is responsible for a labeled diagram of its operation. This engaging lesson stimulate their creative juices!
Curated OER
Fun Activities Using Seeds
Students analyze the size, shape, and form of several different seeds. In this all about seeds lesson plan, students complete four activities involving characteristics of seeds. Students observe the seeds, record information about the...
Curated OER
Inter-State Matters
Students explore the six phase transitions between gases, liquids and solids for a variety of elements. Each group of students focuses on a different element, investigating its physical properties during each of the six phase transitions.
Curated OER
Magma Flow
Learners explore the flow of magma. They observe the effect of silica and heat on lava flow through a model using everyday items. in addition, they complete analysis questions.
Curated OER
Not So Neutral Views
Students explore ways to use indicators to distinguish between acids and bases. They conduct an experiment to model and discuss the harmful effect of acid rain in our living and non-living environment.
Curated OER
Rockin? Chalk (Integrating science - make own chalk)
Students use plaster of Paris, talc, and cornstarch to create their own chalk. They hypothesize what mixture of ingredients produce the "best" chalk. Students discuss what they think are the characteristics of the "best" chalk.
Curated OER
Somethin' Sweet
Students make their own candy. In this science lesson plan, students observe how molecules interact with each other in physical changes and observe how the addition of heat can cause molecules to interact and form new molecules in...
Curated OER
Oceanic Absorption- Oceanic Sequestration
Young scholars examine the different techniques that may be used to reduce carbon dioxide in the atmosphere. In this ocean pollution lesson plan students divide into groups and complete a lab to see how the ocean holds carbon dioxide.
Curated OER
Adventures With Super-Absorbers and Substance Solubility
Students understand the concepts of absorption, swellability and solubility and recognize that science is all around us in our everyday lives and is fun to explore.
Curated OER
Baking Soda Rockets
Students make a baking soda rocket out of vinegar, baking soda, and a soda bottle. In this rockets lesson plan, students discuss the liquid, solid, and gas combination.
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