Serendip
Where Does a Plant's Mass Come From?
Where does the mass for a growing tree come from? Scholars consider a few different hypotheses and guess which is correct. They then analyze data from different experiments to understand which concepts science supports.
Virginia Department of Education
Soap, Slime, and Creative Chromatography
Do you think chromatography paper suffers from separation anxiety? Young chemists make soap, slime, silly putty, and experiment with chromatography in this lesson. The material includes clear instructions for each experiment along with...
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
Chemical Formulas Unit-Day 4
The purpose of this lesson involves reviewing nomenclature and molecular
formulas as well as introducing naming molecular compounds and identifying acids. The students investigate and understand how conservation of energy
and matter is...
Curated OER
It's Just a Phase: Water as Solid, Liquid and Gas
Students construct models of the way water molecules arrange themselves in three physical states - solid, liquid, and gas. They explain the molecular behavior of ice, water, and water vapor.
Curated OER
Winter
Learners explore the nature of water and water molecules. They examine the role of ice on organisms.
Curated OER
Different Minerals
In this minerals worksheet, students read about the relationship between elements, rocks and minerals. They experiment using 6 different colored gumdrops to represent 6 common elements. Students construct gumdrop and toothpick models of...
Curated OER
Indirect Observation
Students observe obscertainers through indirect observations and make hypotheses about the internal wall structures of the containers. In this indirect observation lesson plan, students make observations of 4 obscertainers with a steel...
Virginia Department of Education
Molecular Model Building
During this hands-on activity, young chemists build molecular models based on the Lewis dot structure before studying valence shell electron pair repulsion theory.
Utah Education Network (UEN)
Utah Open Textbook: 8th Grade Science
The cycle of energy is important to many different systems on Earth. Scholars use questioning and observation to investigate the differences between renewable and non-renewable resources and how they relate to global changes. They...
American Chemical Society
Mixing Liquids to Identify an Unknown Liquid
Yellow and blue make green in a colorful activity on liquid solutions. The seventh installment of a 16-part Inquiry to Action series asks pupils to mix different-colored solutions and record their observations. They then use their...
Curated OER
Polymers
Young scholars explore online tutorial on polymers. In this chemistry lesson, they create two polymers in the lab and compare their properties. They write a sales letter about their new and improved polymer product.
Curated OER
Resources - A Reading Guide
In this resources learning exercise, students compare and contrast physical and chemical properties and changes. Students review the periodic table, pattern of atomic numbers and chemical reactivity. This learning exercise has 56 short...
Curated OER
Solids
For this solids worksheet, students review terms associated with solid matter including, freezing and melting point, viscosity, and Brownian motion. This worksheet has 1 short answer and 14 matching questions.
Curated OER
Differentiate Elements, Compounds, and Mixtures
Young scholars examine the differences between elements, compounds and mixtures. Using diagrams, they compare and contrast atoms and molecules and describe various chemical reactions. They distinguish the differences between ionic and...
Curated OER
Amazing Water Changes
Learners explore the properties of water and how it changes states. In this kindergarten to 2nd grade science lesson plan, students pair a hands-on science activity with two suggested books. This inquiry lesson plan...
Curated OER
Rate of Solvation
Pupils test factors that may affect the rate at which sugar dissolve in water. They conduct two studies: One is to test the effect of temperature on the rate of solvation and the other is to test a factor which Students come up with...
Curated OER
Ice Cold
Young scholars design and conduct an experiment to investigate what happens when salt and ice come together and to determine if one form of salt is better for melting ice on steps and sidewalks.
PBS
NOVA Elements
It's like a periodic table variety show! When the plethora of periodic table apps becomes ho-hum, this one may revive interest.
Curated OER
Pauli's Magical Water
Students predict the shape of molecules using VSEPR theory. In this chemistry lesson plan, students differentiate a polar and nonpolar molecule. They discuss why water's polarity is very important.
Curated OER
Einstein's BIg Idea
High schoolers discuss what the m in E=mc2 represent. They relate that mass in a chemical reaction is always conserved. Students convey that atoms rearrange themselves in chemical reactions to form different molecules and compounds.
Curated OER
Density and Mass
Students experiment to find which liquids are more dense. In this density and mass instructional activity, students predict and then test objects to observe and measure their density. students observe which items sink and float....
National Institute of Open Schooling
Mole Concept
Learners explore atomic measurement in the first activity in a series of 36. Through readings, activities, and questions, classes review standard SI units, learn about Avogadro's constant, and use it to help them calculate moles. They...