American Chemical Society
Mixing Liquids to Identify an Unknown Liquid
Yellow and blue make green in a colorful lesson 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...
American Chemical Society
The Same Parts Can Make Many Objects
Snap to it! Young experimenters use Snap Cubes to model how a larger object is created from a smaller parts. Using a guide, they rearrange their cubes to create all possible arrangements of four and five cubes.
Curated OER
Science Quick Vocabulary Review Worksheet
In this science worksheet, students read 15 science definitions and determine which science vocabulary word fits each definition. Students write their answers in the box that precedes each definition.
Curated OER
Resources - A Reading Guide
In this resources worksheet, learners compare and contrast physical and chemical properties and changes. Students review the periodic table, pattern of atomic numbers and chemical reactivity. This worksheet has 56 short answer questions.
Curated OER
Spectroscopy Demonstrations
Students study light and see what emits photons and that light can be separated onto a spectrum. In this energy and matter instructional activity students identify gases using a spectrum chart.
Curated OER
Science-Introduction to the Unit on Matter
First graders gain knowledge about solids, liquids and gases by taking a look at the things around them. They have to classify certain picture cards based on which category they feel the picture falls under. As a whole, the class...
Curated OER
Matter and Chemical Bonding
In this chemical bonding worksheet, high schoolers read about the invisible killer, dihydrogen monoxide. Students read about the products it is used in and the problems it causes to the environment. Then high schoolers complete 19 short...
Curated OER
Isotopes of Pennies
Students demonstrate that isotopes of an element have different masses. They illustrate atomic mass and neutrons. The periodic table is examined in length. Display of a collection of atoms is surveyed.
Curated OER
Physicists or Philosophers?
Trace the sequential process of the developing theories of atomic structure in the early 20th century, show, in historical development, how scientists "know" things, how experiments are set up and how interpretations are drawn from them,...
Curated OER
Poster Assignment: Sports Chemistry
Tenth graders distinguish between chemical and physical properties and changes in matter when given specific examples. They view a video of sports activities. Students chose their favorite sport and design an experiment to improve sports...
Curated OER
Molecular Modeling
Students recognize that the fundamental building block of all organic and inorganic matter is the atom. They construct models of a sugar, fatty acid, amino acid and nucleic acid and describe their roles.
Curated OER
Solids
In 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
Pupils 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 covalent...
Curated OER
If My Configurations are Correct
Students write the electron configuration of elements in the ground state. For this chemistry lesson, students draw how subatomic particles are arranged in the atom. They construct Lewis dot diagrams of valence electrons.
Curated OER
Naturally Magnetic Elements
Students explore naturally magnetic elements. In this magnets instructional activity, students examine the periodic table of elements. Students discover the parts of an atom and determine which three elements are magnetic.
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Liquids and Solids
Students describe the properties of solids and liquids, and explain how a semiconductor works. In this atom lesson students demonstrate the bonding properties of carbon and silicon.
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Amazing Water Changes
Students explore the properties of water and how it changes states. In this kindergarten to 2nd grade science lesson, students pair a hands-on science activity with two suggested books. This inquiry lesson has...
Curated OER
Niels Bohr
In this online interactive history worksheet, students respond to 9 short answer and essay questions about the achievements of Niels Bohr. Students may check some of their answers on the interactive worksheet.
Curated OER
Ice Cold
Students 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.
Curated OER
Charge and Current
High schoolers explore how all matter is made up of atoms and how they have different charges. In this current lesson students complete several word problems and see how the rate of flow of electric charges works.
Curated OER
Rate of Solvation
High schoolers 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...
Curated OER
Catalytic Converter
Two animated slides explain the decomposition reactions that occurs within a catalytic converter. An enthalpy diagram is displayed. Hess's Law is demonstrated. Finally, the analogy of football is used to explain Hess's Law. This...
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
Forces And Energy
Students investigate the atom and how it is formed. They conduct research using a variety of resources and then construct a model of the atom. Then students have class discussion. The lesson plan includes background information for the...