Curated OER
Color
An interesting set of details about the light spectrum, these slides explain how objects reflect and absorb light to affect how they appear to the human eye. The differences in mixing lights or pigments is explained and some everyday...
K12 Reader
What’s in Your Cells?
Organelles, cellular respiration, ATP, and DNA. The passage attached to this life science reading comprehension instructional activity is all about cells. After reading about diffusion and osmosis, kids answer a series of questions based...
Perkins School for the Blind
Mixtures and Solutions
Mixtures and solutions are different; one can be separated fairly easily and the other cannot. This hands-on experiment was written specifically for learners with visual impairments or blindness. They will use lemonade and trail mix to...
Shelby County Schools
How Ecosystems Work
How does one organism get its energy? What is the main source of energy in an ecosystem? How does the flow of energy affect different types of ecosystems? Answer these questions with a fill-in-the-blank worksheet.
NASA
Making Oxygen and Carbon Dioxide
Some like it hot! Scholars observe both exothermic and endothermic reactions as part of the carbon dioxide oxygen cycle. First, scientists demonstrate (or watch) a chemical reaction to create pure oxygen using fire for...
National Energy Education Development Project
Introduction to Hydrogen
Every region has a renewable resource that can be used to make hydrogen. But, what is hydrogen and why can it be used as an energy source? Find out with a presentation that answers these questions and then discusses where hydrogen is...
Chymist
Empirical Formula of a Compound
Because of the work of John Dalton, we are able to write formulas for compounds. The hands-on experiment has scholars prepare a compound from its elements. Using mass data, individuals write the empirical formula for the compound.
Chicago Botanic Garden
Climate and Forest Ecosystem Services
Forests, through sequestration, capture excess carbon dioxide in our atmosphere and store it, aiding in climate change. The third installment in a four-part series on how climate impacts forests explores carbon sequestration....
LABScI
Enzymes: The Spit Lab
Enzymes in our bodies each have a job to do. Learn the factors that affect the activity of some enzymes using the third activity of an informative 12-part biology series. A three-part laboratory activity asks teams to investigate how...
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.
Curated OER
The Atmosphere and Flight
Students investigate evaporation and condensation, and apply the concepts to understanding cloud formation.
Curated OER
Hydrates Worksheet
In this chemistry worksheet, students look for the concepts connected to hydrates and answer the variety of questions given for the assessment.
Curated OER
Aqueous Solutions
In this aqueous solutions worksheet, students will explore the characteristics of solutions, including the ability of different compounds to dissolve in the solutions. This worksheet has 10 true or false statements and 8 short answer...
Curated OER
How Many Drops?
Learners conduct a simple test to determine how many drops of each of three liquids can be placed on a penny before spilling over. They come up with an explanation for their observations about different amounts of liquids a penny can hold.
Curated OER
Snow Science
Students investigate how efficient different substances are at melting snow. Students collect and analysis data.
Curated OER
Capillary Action And Transpiration
Students engage in a study of the concepts of biology with plants known as capillary action and transpiration. They conduct a simple experiment to demonstrate the concept. The lesson includes a background discussion led by the teacher...
Curated OER
Homeostasis and Cell Transport
In this homeostasis worksheet, students complete a crossword puzzle with 22 question on homeostasis and cell transport. They identify the different ways substances are transported in and out of the cell.
Curated OER
Liquids Have Differnt Viscosities
Pupils explore visosity of matter. They run tests of various liquid substances to observe and compare rates of flow of different substances. In addition, they relate viscosity to distance travelled by sample substances.
Curated OER
The Causes of Differences in Density
Students explore the causes of differences in density. Students choose objects, measure the mass and volume, and calculate the density of each. They perform additional density experiments to model atoms and their correspondence to...
Curated OER
Modeling Protein Structure
Learners examine amino acids and discuss the properties of side chains. In this proteins instructional activity students demonstrate the foldings of peptides.
Curated OER
Comprise/Compose
In this comprise and compose worksheet, students choose the correct word to complete each sentence. Students choose either comprise or compose to complete 9 sentences.
Curated OER
Microwave Cooking
Middle schoolers learn the basic principles of microwave cooking and prepare a dessert in the microwave using correct procedures.
Curated OER
Watching Crystals Grow
Students observe crystal growth of Epsom salts and the variables that hinder or help their nucleation and growth. They illustrate a series of drawings/pictures as the crystals grow. They look for the different shapes they form as well...
Curated OER
Solubility of Ionic Substances
In this solubility worksheet, students identify substances as either ionic or molecular, define saturated solution and solubility, and calculate concentration of solutions. This worksheet has 7 short answer, 5 fill in the blank, and 27...
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