Curated OER
Chemistry quiz
In this chemistry worksheet, students answer short answer and true and false questions about acids, bases, atoms, elements, and more. Students complete 20 questions.
Curated OER
Mass Spectrometer
In this mass spectrometer worksheet, students read about how a mass spectrometer determines the elements in gases around Earth. Students answer 3 questions and identify the elements in a graph found by a mass spectrometer.
Curated OER
Periodic Table Basics Review Sheet
In this periodic table worksheet, students complete a chart with the appropriate element symbol, the atomic mass and the atomic number. They classify elements by their groups and as metals, nonmetals or semi-metals. They also answer two...
Curated OER
Molecules, Moles and Molar Masses
In this molecules, moles and molar masses worksheet, students find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find the fraction...
Curated OER
The Dalton Model
In this Dalton worksheet, learners read about John Dalton and his contributions to understanding the atom. Students are given sample data for Dalton's experiments and they answer questions about the data in his experiments.
Curated OER
Tootsie-Roll Pop Chemistry
Students use Tootsie-Roll Pops to become familiar with atoms and chemical formulas. They, in groups, find more combinations of Tootsie-Roll Pops than the other lab groups within 3 minutes (Round 1), and within 5 minutes (Round 2).
Curated OER
Interpreting Chemical Formulas
In this chemical formulas worksheet, students determine the number and type of each atom and the total number of atoms for the given formulas. Students complete 10 problems.
Curated OER
Chemical Changes in Matter
In this matter and chemical changes worksheet, students write symbols and formulas for 2 chemical reactions. They write words for 1 chemical reaction given in symbols and formulas. They draw a diagram representing a chemical reaction and...
Curated OER
Of Electron Bondage
Students create models of ionic and covalent electronic bonds to demonstrate their understanding of these chemistry concepts. They explain how both ionic bonds and covalent bonds work so that younger students can understand.
Curated OER
Early Atomic Theory Homework
In this early atomic theory worksheet, students answer 4 questions about the Law of Definite Proportions, the Law of Conservation of Mass and Dalton's Laws. Students are given 5 statements to determine if each true statement supports or...
Curated OER
Chemistry Scavenger Hunt
In this chemistry worksheet, learners identify the three main phases of matter. Then they search for information about each element on a Chem Time Clock. Students use the chemical symbol to identify each element.
Curated OER
Chemistry
In this chemistry worksheet, 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. Students...
Curated OER
Structure of the Atom
In this atom worksheet, students review the structure of an atom. Students also explore radioactive elements and quarks. This worksheet has 10 fill in the blank, 6 true or false, 1 short answer, and 3 multiple choice questions.
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...
Rensselaer Polytechnic Institute
Molecules to the Max!—Teacher's Discovery Guide
Molecules to the Max! refers to a movie released in 2009 about the world of atoms and molecules. A helpful discovery guide provides five posters on science topics typically covered at the middle school level. It also explains the...
Curated OER
Radiation and You
Internet research on nuclear radiation is conducted by young physicists. They discover how our understanding of radiation developed, define vocabulary terms, and explore how ozone protects us from the sun's harmful radiation. Several...
American Chemical Society
The Periodic Table and Energy-Level Models
Teach your class to think of electrons as tiny packets of energy that travel in waves. Through a short video and diagram, participants see how electrons are located around the nucleus of an atom. They then get into groups and try to...
PhET
Isotopes and Atomic Mass
Some isotopes are unstable, or radioactive, meaning they will decay over time and turn into another isotope or stable element. In the interactive simulation, participants manipulate elements to create isotopes and gather information....
Curated OER
Protons, Neutrons, and Electrons
Using the periodic table of elements, young chemists fill in a chart of isotopes to show the atomic number, mass, charge, number of protons, number of neutrons, and number of electrons. The chart is followed by 11 questions that...
Curated OER
The Atom Board-Making Atoms
In this making atoms science worksheet, students read about the atomic number of protons, finding the number of neurons, and how electrons function before they complete the atom board graphic organizer and respond to 4 short answer...
Curated OER
The Day the Atom Died (Grade K-1)
Students investigate what is wrong with the Rutherford atomic model. In this chemistry instructional activity, students answer questions about the atomic model after watching a video. They draw conclusions from the video and discuss how...
Curated OER
Electronegativity
Students identify the type of bonding between two atoms of elements given their electronegativity values. They study the trend of electronegativity across the periodic table in small groups.
Curated OER
Elements
In this elements worksheet, students give the symbol for given elements. Students determine the number of protons, electrons, and neutrons for atoms. This worksheet has 9 fill in the blank and 5 problems to solve.
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...