National Nanotechnology Infrastructure Network
Mixtures and Nanotechnology
What does size have to do with it? Learners analyze different mixtures, both homogeneous and heterogeneous, to discover the properties related to the size of their particles. The activity connects these properties to those of...
Biology Junction
Introduction to Biology
Welcome to Biology! Introduce pupils to a subject conceptualized by Aristotle in 300 BC through a presentation and worksheet. It covers the themes of biology, characteristics of life, the scientific method, microscopes, and measurements.
Curated OER
Properties of Matter
In this properties of matter worksheet, high schoolers answer 6 questions related to matter. They classify and categorize given statements as chemical or physical properties, they identify chemical and physical changes and they find the...
Curated OER
The Structure of Matter and the Chemical Elements
In this chemistry worksheet, students answer 73 fill in the blanks and multiple choice questions on the structure of matter and properties of elements in the periodic table.
Curated OER
Chemical Composition of American Coins
High schoolers investigate the chemical composition of pennies dated 1983 or later. In this chemical composition of American coins lesson plan, students scratch the surface of the penny to expose the zinc core. They put the penny in...
Curated OER
Biology: Cells and Chemical Changes
Learners explore the numerous functions of cells in both plants and animals. Following a pre-assessment, they construct cell models and examine onion cell slides stained with iodine or dye. After participating in experiments on how to...
Curated OER
Integrating Chemistry-Chemical Reactions
In this chemical reactions instructional activity, students read about different types of chemical reactions, potential and chemical energy. They answer three questions about their reading.
American Chemical Society
Matter on the Move
Start this mini unit on matter out by demonstrating how food coloring behaves when placed in cold and in hot water. Then have the class experiment with warm water and soap film. Pupils will learn that an increase in thermal energy also...
American Chemical Society
Changing the Density of an Object - Changing Shape
Continuing with the concept of volume and its effect on density, learners now work with a piece of clay to see if they can get it to float in water. This is a memorable end to a seven-part investigation of density. Make sure to check out...
Cornell University
Polymers: Instant Snow
Is it easy to make snow? Scholars use critical thinking skills as they investigate the concept of polymers by making snow. The class tests several different variables and takes measurements over the course of several days. They then...
Curated OER
Observing the Effect of a Change in Conditions on a System at Equilibrium by Applying Le Chatelier's Principle
Learners describe the Le Chatelier Principle. They participate in an experiment in which they observe the changes in an equilibrium system. They answer discussion questions to end the instructional activity.
Curated OER
Matter And Its Changes
Fifth graders explore the phases of matter, make observations of matter, the physical and chemical properties of matter, solutions and mixtures, formation of molecules and atoms and molecules all through hands on activities.
Curated OER
Up and Atom
"Up and Atom" is a mini-unit introducing middle-schoolers to the wonders of elements. Participants draw atom models, examine the periodic table, compare samples of metals to nonmetals, identify unknown elements, and more! The beginning...
Curated OER
Heat and Thermodynamics
This is actually a 10-day mini unit on thermal energy for your high school chemists. Every avenue is taken to get learners absorbed in heat: a pretest, a PowerPoint presentation, Internet exploration, demonstrations, lab activities, and...
Virginia Department of Education
States of Matter
Scientists have been studying exothermic reactions before they were cool. The lesson begins with a discussion and a demonstration of heat curves. Scholars then determine the heat of fusion of ice and the heat needed to...
Curated OER
BioFuels: The Chemistry and Economics of Alternative Fuels
Junior chemists manufacture biodiesel in the lab. In this exercise, they check the purity of the biodiesel using thin layer chromatography. They also calculate its density and heat of combustion. They are sure to rise to the...
American Chemical Society
Molecules Matter
Did you know that jumping spiders sometimes wear water droplets as hats? A seventh grade science instructional activity introduces the concept of what makes up water: tiny molecules that are attracted to each other....
Curated OER
Petro Products
In this petroleum products worksheet, students are given the components of crude oil and they graph the various products found in a 50 gallon barrel. Students complete an activity to determine if they have collected cards that represent...
Curated OER
Elements, Compounds, and Mixtures
For this matter worksheet, students review the three forms of matter by reading a poem and completing 1 matching and 5 short answer questions.
Curated OER
Matter
In this matter worksheet, students complete a graphic organizer by describing the properties of matter, the changes of matter, and how matter can form mixtures.
Virginia Department of Education
The Rate of a Chemical Reaction
If your pupils think a catalyst is a list of their cats, then this might be the lesson for you! Young chemists study the effect of temperature, catalysts, concentration, and particle size on reaction rates during four different...
National Library of Medicine
Your Environment, Your Health: Air Quality
Some scientists argue that air pollution now causes more deaths than smoking. The second unit in a six-part series focuses on air quality. Scholars learn what's in the air, how clean the air around their school is, and what they can do...
Curated OER
Ice Cream Blizzards
Fourth graders explore whether the making of homemade ice cream is a physical change or a chemical change in a lab experiment. Students identify states of matter, describe the physical properties of states, and collect temperature data...
Curated OER
Chemical or Physical?
Fourth graders make observations of the reactions that happens between calcium carbonate and various liquids. During the experiment the students determine if there is a chemical change, a physical reaction, or no reaction when they mix...