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Chapter 7 Practice Problems
In this space science activity, students identify ultraviolet beams and what occurs when the frequency is doubled. They identify how long it would take to send a radio message from a space probe of Mars to earth. Students also determine...
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Making Molecules
In this molecules activity, students combine different food colorings that represent atoms to make different molecules. Students read 7 directions and answer 2 questions.
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Chemical Formulas for Molecules
Newcomers to chemistry compare hydrogen peroxide to water, realizing that the difference of one oxygen atom significantly affects the chemical properties. Other pairs of compounds and their formulas are also examined. A few chemical...
Massachusetts Institute of Technology
Nuclear Synthesis
Start this lesson with a bang! The eighth in a 13-part series of lessons explains the origin of elements beginning with the Big Bang Theory. The reading describes the formation of elements hydrogen through uranium.
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WS 8.1 Solutions
In this solutions worksheet, students identify solutes and solvents from a list of solutions and they draw water molecules bonding to each other. They fill in the blanks with terms related to bonding in solutions, density of solutions...
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Using Percentage in Compound Composition
In this percent composition worksheet, students find the percent of each type of atom in a compound, they find the total mass of a sample and they determine the mass of particular atoms in a compound.
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What's the Matter? (Living and Non-Living Things)
Understand how chemical reactions recombine atoms to create the "chemicals of life". An experiment, showing the basic chemical reactions of an iron nail or a match, helps young children start their understanding of permanent changes.
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Chemical Bonding in Alkanes
In this alkanes worksheet, students complete a table with the chemical formula, the structural formula and the condensed formula of various alkanes given different numbers of carbon atoms. They answer three questions about valence...
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All About Circuits ~ Atomic Structure
In this interactive Internet assignment, physical science investigators answer 11 questions about the atom, the subatomic particles, and atomic structure. They can click on "Reveal Answer" to discover if they are correct. They also...
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...
Normal Community High School
Diatomic Molecules
Diagrams are beneficial for explaining chemistry concepts to your class. These seven slides show the difference between single atoms and diatomic molecules. The graphics are lively and accurate. The last slide is a chart of elements that...
National Institute of Open Schooling
p-Block Elements and Their Compounds – II
Ozone, made of three bonded oxygen atoms, is found 15-30 km above Earth, has a strong smell, is blue, and blocks sunlight from hitting the surface of Earth. The 22nd lesson in a series of 36 specifically focuses on the important elements...
Concord Consortium
Aquapores
Aquapores allow water to travel through cell membranes while keeping other molecules out. The animation offers an up-close look at these parts of the cell membrane. It explores multiple vantage points and shows the importance of these...
Curated OER
Grating Spectrometer
Students calculate the Balmer series. In this physics lesson, students observe hydrogen lamp spectra using spectrometers. They calculate wavelength and compare them with their theoretical calculations.
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Electrons and Atoms
In this atoms worksheet, students determine the velocity, wavelength, power, and frequency of given atoms. Student describe wave-particle duality and give the principle and angular quantum numbers for given orbitals. This worksheet has...
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Life Substance
In this life substances worksheet, students will review carbon atoms, monosaccharides, dissaccharides, polysaccharides, lipids, proteins, and nucleic acids. This worksheet has 4 true or false and 17 matching questions.
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General Chemistry
In this chemistry worksheet, students identify the name and abbreviation of the SI unit for mass, length, time, electric current, and temperature. Then they give the abbreviation for each of the units listed and describe what they are...
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How Do Atoms Stick Together?
In this chemical bonding worksheet, students answer 10 questions about ionic bonding, covalent bonding, metallic bonding, Lewis structures, and intermolecular forces.
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Combination of Atoms
In this atoms learning exercise, students review protons, neutrons, electrons, molecules, compounds, and ions. This learning exercise has 10 fill in the blank and 3 problems to solve.
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Bonding Basics - Covalent Bonds
For this chemistry worksheet, students complete the chart for each of the given elements by naming the number of protons, electrons, Valence electrons, and the electrons used to fill the outer shell. Then they complete each covalent bond...
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Chemical Bonding and Shapes of Molecules
In this chemical bonding learning exercise, students review the different types of bonds and calculate the number of valence electrons in molecules. This learning exercise has 11 matching and 15 multiple choice questions.
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Mole Relationships
In this moles worksheet, students complete 93 word problems in they calculate the moles, volume, or mass of different molecules.
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Review for Chemistry
In this review for chemistry learning exercise, students decide if given statements are true or false. Students relate information learned about introductory knowledge gained in chemistry to accurately answer the given questions.
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Nuclear Power
In this nuclear power worksheet, students compare fission and fusion. Students learn about the different kinds of radiation. This worksheet has 2 short answer questions and 10 matching questions.