Curated OER
Strawberry Smoothies
Biologists extract the DNA from a strawberry. After completing the procedure, learners write answers to a few questions on the lab sheet provided. This is ideal lab practice during a DNA unit in your general biology course.
Curated OER
Biotic and Abiotic Factors
In this biotic and abiotic factors worksheet, students complete 20 various types of questions related to biotic and abiotic factors. First, they write the vocabulary word that best completes the sentence. Then, students state an example...
Curated OER
A Solution for Moles
Students calculate the concentration of different solutions. In this chemistry lesson, students explain what a solution is. They explain ways to change the concentration of a solution.
Curated OER
Characteristics of Crystals
In this crystals worksheet, students complete a graphic organizer by filling in the characteristics of the different crystal types including melting/boiling point and electrical conductivity.
Curated OER
Biochemistry Assignment
In this biochemistry worksheet, students complete a table by filling in the missing information about different elements. Students draw the Bohr diagram and the Lewis dot diagram for several atoms.
Curated OER
The Nature Of Dissolving Processes
Students examine the rule of "like dissolves like." They define and describe solutions and solubility models on molecular liquids, ionic solids, and molecular solids.
Curated OER
The Plasma Membrane
In this plasma membrane worksheet, students will explore how cells are able to maintain homeostasis and the function of the plasma membrane. This worksheet has 6 fill in the blank and 7 true or false questions.
Curated OER
Chemistry
In this chemistry learning exercise, students describe an atom, its parts, the charges of these parts, and atoms life functions. Then they explain what the octet rule states for the placements of electrons around the nucleus of an atom....
Curated OER
The Chemistry of Life
In this chemistry of life worksheet, students will review key terms of plant cell structure and chemistry by reading 13 clues to complete the puzzle. Word bank is included.
Curated OER
Ionic and Covalent Bonds
Ionic and covalent bonds are the focus of this chemistry activity, which provides learners with eighteen key terms to use in a fill-in-the-blank activity. Additionally, students are prompted to write the number of atoms in four given...
Curated OER
Acid, Base, or Salt?
In this acids and bases worksheet, students read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base, or...
Curated OER
World Wide Winds
Students recognize that global winds move in specific directions in specific latitudes and describe that in a written form. They relate the motion of the wind belts to historical navigation.
Curated OER
Ions in the Environment
Students explain the importance of the five main biogeochemical cycles. In this chemistry lesson, students discuss how ions are transported in the environment. They design an experiment to collect data on eutrophication.
Curated OER
Dimming the Sun
Students collect, interpret and analyze weather variable data. They describe atmospheric variables that affect evaporation. Students create graphs and analyze the information collected.
Curated OER
Fallout!
High schoolers plot the locations of fallout from two disasters that polluted much of the world's air. They plot the ash fallout from the 1980 Mt. St. Helen's eruption to see what the wind patterns in the United States look like overall....
American Chemical Society
Middle School Chemistry: Chapter 5: The Water Molecule and Dissolving
Nine exemplary chemistry lessons about the water molecule and dissolving complete with handouts and animations.
American Chemical Society
Middle School Chemistry: Lesson Plans: Water Is a Polar Molecule
Students develop their own water molecule model to help them understand the idea that water has a slight positive charge at one end of the molecule and a slight negative charge at the other.
CK-12 Foundation
Ck 12: Water Properties
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will describe the structure and polarity of a water molecule. They will also describe the hydrogen bonding that occurs in...
Concord Consortium
Concord Consortium: What Happens to the Energy of Water Molecules During Hurricanes?
Activity 2 investigates How Hot Can Water Get? In Activity 2 students analyze the relationship between energy changes and phrase changes as they discuss what happens when water boils. Bonus reading includes Why is Temperature Constant...
CK-12 Foundation
Ck 12: Chemistry: Structure of Water
[Free Registration/Login may be required to access all resource tools.] Covers structure of water molecule, hydrogen bonding on water, polarity of water molecule, and bond angles of water molecule.
American Chemical Society
Middle School Chemistry: Lesson Plans: Why Does Water Dissolve Salt?
Students use their own model of a salt crystal and water molecule to show how water dissolves salt. Then, they relate their observations to the structure of salt, water, and alcohol on the molecular level.
American Chemical Society
Middle School Chemistry: Can Liquids Dissolve in Water?
Find out if liquids can dissolve in water.
New York University
New York University: About Water and Ice
Page uses movies and 3D images to explain how properties of water relate to polarity and hydrogen bonding.
American Chemical Society
Middle School Chemistry: Water Is a Polar Molecule
Explore the water molecule, and understand how it is a polar molecule.