PhET
Build a Molecule
How many different molecules can you build? In a simulation, learners make molecules from given atoms. There are numerous collections from which to build three to five molecules from given kits of atoms. Scholars can also view their...
Curated OER
Counting Atoms in a Molecule
In this counting atoms in a molecule activity, students read about the molecule propanal that was discovered by the giant radio telescope in the Milky Way Galaxy. Students solve 6 problems where they find the number of atoms in the...
Teach Engineering
Gumdrop Atoms
There's nothing sticky about the resource, unless you count the gumdrops! Scholars create a model of a lithium atom, complete with protons, neutrons, and electrons. It's just that these models are made with gumdrops and toothpicks.
Curated OER
The Atom
In this atom worksheet, students read about the structure of the atom including its subatomic particles and John Dalton's theory of the atom. Students also read about the differences between atoms, molecules and compounds. They answer 30...
Curated OER
Counting Atoms
For this atoms learning exercise, students count the atoms for 15 different formulas and describe the type of atoms and the number of atoms in each compound given.
Curated OER
Drops on a Penny
A helpful worksheet describes an interesting demonstration on the surface tension of water. Learners guess how many drops of water the heads side of a penny will hold. This resource does a great job of describing just how a penny can...
Curated OER
The Atom
In this atom activity, students read about the parts of the atom and how atoms combine into molecules and compounds. Students learn how to read a periodic table. This activity has 20 fill in the blank and 10 matching questions.
Curated OER
Lab: Determining the Number of Moles and Molecules Used Up In a Burning Candle
Students find moles and molecules used when a candle burns. For this moles and molecules lesson plan, students calculate the initial mass of a candle and the mass of a candle after it burns for 3 minutes. They calculate the mass lost...
Curated OER
Making Molecules
In this molecules worksheet, students combine different food colorings that represent atoms to make different molecules. Students read 7 directions and answer 2 questions.
Curated OER
Mass and Moles Worksheet
In this mass and moles instructional activity, students solve fifteen problems which include converting between moles, mass, atoms, molecules and formula units.
Curated OER
Mass-Moles-Particles
In this moles worksheet, students define a mole and convert grams to moles or moles to molecules. Students convert specific mass of compounds to moles. This worksheet has 1 true or false, 6 short answer, 3 fill in the blank, and 15...
Curated OER
Percent Mass, Moles, and Avogadro Worksheet
In this moles worksheet students complete a set of calculations to find how many atoms and moles are in different substances.
Curated OER
Mole Relationships
In this moles worksheet, students complete 93 word problems in they calculate the moles, volume, or mass of different molecules.
Curated OER
Atoms-How Sweet They Are!
In this atoms and sugar molecules worksheet, students are given the structural composition of the sugar molecule maltose. They determine the number of each type of atom in the molecule, they find the ratio of hydrogen to oxygen atoms and...
Mr. E. Science
Chemical Reactions
Once I told a chemistry joke, but there was no reaction. Get young chemists involved in changes and reactions with a presentation that begins with physical and chemical changes and chemical reactions. It moves on to chemical equations...
Curated OER
Atoms and Molecules
You can use hands on and kinesthetic activities to teach abstract concepts, such as atom and molecule lessons.
Curated OER
WS 4.2 The Mole
In this moles worksheet, students convert measurements of moles to mass, measurements of mass to moles, measurements of moles to atoms or molecules and measurements of atoms or molecules to moles.
Curated OER
Balancing Equations
In this balancing equations worksheet, students balance ten equations by placing the proper coefficients in front of reactants and products to balance the number of atoms.
Curated OER
Balancing Equations Challenge
In this balancing equations worksheet, students identify the number of atoms in given molecules and compounds and they balance ten equations by placing the proper coefficients in front of the reactants and products.
Curated OER
Making Molecules
For this making molecules worksheet, students complete a table of elements with their symbol, atomic number, atomic mass, number of protons, number of electrons, period and group. Students then make models using pipe cleaners and beads...
Curated OER
Molecular Models of Functional Groups
In this molecular model learning exercise, students use a molecular model kit to construct 13 different molecule models. After constructing the molecules, the students complete 32 short answer questions.
Curated OER
Moles Homework-Honors Chemistry
In this moles activity, high schoolers are given 9 problems where they find the number of grams, molecules, moles, or ions given one of these measurements and the chemical compound. Students calculate the number of atoms in a gallon of...
Curated OER
Physical Science Project-Atom
Fifth graders investigate atoms. In this atom lesson plan, 5th graders investigate the parts of an atom. Students explore atom numbers and determine the number of electrons is in each atom.
Curated OER
Atoms, Molecules, and Chemical Bonds
In this atoms worksheet, learners review the parts of an atom, Bohr diagram, atomic number, mass number, and covalent bonds. This worksheet has 5 drawings and 26 fill in the blank questions.