Curated OER
Extraction of DNA from Onion
Students study DNA by isolating it from plant tissue. They determine the purpose of each step in the isolation procedure as it relates to the physical and biochemical characteristics of the genetic material
Curated OER
Density of a Gas
Eighth graders investigate the mass, volume, and density of a gas by producing it in a chemical reaction. The entire Density of a Gas Lab and L section of the K W L chart be formatively assessed.
Curated OER
Milk: A Practical Application
Students examine the impact of the physical and chemical properties of milk and its use as an important food.
Curated OER
Organization of the Elements and Periodic Table
Learners identify how to relate the position of an element in the periodic table to its atomic number and atomic mass. They also identify and interpret how to use the periodic table to identify metals, semimetals, nonmetals, and...
Curated OER
Determination of Phosphates
Students engage in a laboratory lesson plan in order to increase understanding of the impact of phosphates at the chemical and ecological levels. The lab exercise is completed with the goal of getting them to predict the outcomes and...
Curated OER
Air Pollution Over Where?
Students predict the movement of an air borne pollutant using their understanding of air currents. They determine which governments and/or communities should be contacted to be forewarned. They also explore the properties of their...
Curated OER
An Online Project - Comparing Terrestrial Ecosystems in Different States
Students investigate the similarities and differences in soils from different states with an analysis of its physical and chemical properties.
Curated OER
Investigating the Effect Of Successive Heat and Cool Cycles on a Thermoplastic material.
Students investigate hot melt glue using a hot melt glue gun as an an injection molding simulator and a melt index viscometer. They evaluate the effect of heating and cooling by weighing the glue extruded over a constant time period.
Curated OER
Density
Learners predict when an object will float or sink based on comparison of density of the object to the density of the substance in which it is placed. The access a website and sketch the object in the first column of their table and then...
LABScI
Atomic Structure and the Periodic Table of Elements: The Secret Agent Lab
Food always gets attention! Model atomic structure using fruit loops to represent the subatomic particles. After building models, scholars create ionic bonds using their models. Finally, they use these concepts to create a periodic...
Curated OER
That's Predictable - Stream Side Science
Research the impact that changes in biotic or abiotic factors might have on an ecosystem. Debate for or against the changes and take action in the community. This resource ideally follows stream studies that young ecologists may have...
Teach Engineering
Concentrate This! Sugar or Salt...
Heat up your lessons on boiling points. The resource provides a three-part activity: first, groups find the boiling point of solutions; second, they create boiling point curves for salt and sugar solutions; and third, they mix a solution...
Santa Monica College
The Density of Liquids and Solids
There are underwater rivers that flow on the ocean floor thanks to a difference in density. Scholars learn about the density in both liquids and solids in the second lesson of an 11-part series. They then determine the density of water,...
Virginia Department of Education
Molar Volume of a Gas
What is a chemist's favorite plant? Stoichiome Tree! Scholars produce hydrogen gas by reacting magnesium with hydrochloric acid. Then they calculate the molar volume of the gas produced before answering assessment questions.
Virginia Department of Education
Solution Concentrations
What happens when you combine 6.022 times 10 to the 23 piles of dirt into one? You make a mountain out of a mole hill. Scholars use dehydration to obtain percent composition and then calculate the molarity of the original...
NOAA
The Oceanographic Yo-yo
How does chemistry help deep-sea explorers? Part four of a five-part series of lessons from aboard the Okeanos Explorer introduces middle school scientists to technologies used in ocean exploration. Groups work together to analyze data...
Curated OER
Condensation Polymerization: Preparation of Nylon 6/6
Students participate in a lab activity in which they synthesize nylon 6/6, calculate the percent yield by mass, identify the polymer as thermoplastic or thermoset, and determine the melting point, density and end-product use of the polymer.
Curated OER
Summary of Periodic Trends
This concise collection of images speaks volumes about the trends in the periodic table of elements. Different versions of the periodic table are displayed demonstrating different trends. Teachers' notes are included to assist your...
Curated OER
Temperature
Several slides compare different temperature scales. Thermal expansion, heat transfer, and Maxwell speed distribution are also explored. The last two slides seem unrelated to the topic of heat, but are easily left out of this otherwise...
American Chemical Society
Developing Tests to Distinguish Between Similar-Looking Liquids
Each group talks about how to test unknown liquids based on their findings in the previous experiment. In this second of four activities, they test unknowns on wax paper, newspaper, and construction paper. As a stand-alone, this lesson...
Curated OER
Solutions and Suspensions
Students explore matter by conducting an in class demonstration. In this liquid mixture lesson plan, students identify the difference between a solution in which a solid dissolves into liquid, and a suspension where the solid doesn't...
Curated OER
The Effects of Photosynthesis on Plant Growth
Young scholars are able to draw a diagram of the light reactions and briefly describe what is occurring throughout the process. They are able to explain where each reactant/product in the photosynthesis equation comes from/goes during...
Curated OER
How to Think Like a Scientist
Fifth graders study the scientific method and understand how to apply it. In this "thinking like a scientist" lesson students complete several activities.
Curated OER
Chapter 16, Food Biotechnology
Although the points given on these slides are valid, the visual accessibility is poor. Consequently, many viewers would be distracted or entirely unable to view the presentation. The content is a review of microorganisms and their...