Curated OER
Moles
For this moles worksheet, students determine the mole ratio in given compounds and calculate the number of moles of specific elements in chemical compounds. This worksheet has 19 problems to solve.
Curated OER
Science Multiple Choice Definitions Worksheets
In this science worksheet, students choose the multiple choice answer that best defines each of 15 science related vocabulary words.
Curated OER
Ancient Atomic Theories
Studdnts research ancient texts and compare ancient Greek atomic theories, as used in the production of silver, to modern theories.
Curated OER
Chapter 16 Review- General Science
For this review of general science worksheet, students classify examples of matter as mixtures or substances, homogeneous or heterogeneous mixtures, or elements or compounds. Students also convert several examples using the standard...
Curated OER
Matter
Fifth graders investigate the nature of matter and of the scientific processes associated with them in this series of lessons.
Curated OER
Structure-Property Relationships
High schoolers explore the structure and property changes of water through videos and classroom discussion. They are introduced to atomic arrangement of solids by looking closely at carbon in different forms, such as graphite and...
Curated OER
Activity #3 Are Particles "Real?"
Students verbalize a simple particle theory, They apply their particle theory to explain what happens during chemical reactions and how this theory supports the law of conservation of matter. Pupils comprehend that the atomic theory,...
Curated OER
Three States of Matter
Third graders investigate the three states of matter and the properties of materials as they undergo physical changes. They identify examples of each type of matter, role-play atoms in solids, liquids, and gases, and conduct an...
Curated OER
Buckyball
In this molecules instructional activity, students read about the discovery of new carbon molecule which has been nicknamed buckyball. Students answer 2 short answer questions.
Curated OER
GED Chemistry Vocab Word Search
In this chemistry worksheet, students locate and identify various vocabulary terms related to chemistry. There are 18 words/phrases located in the puzzle.
Curated OER
Balancing Symbolic Equations
For this chemistry worksheet, students balance the listed equations by changing the coefficients. They identify and explain why iron bromide can react with water to produce iron oxide and hydrogen bromide.
Massachusetts Institute of Technology
List of Chemicals in Space
What is space made of? It turns out that there are many compounds found in space! The 10th lesson of a science series provides a list of the compounds found in space and asks young scholars to research the characteristics of these...
Curated OER
Allotropes
Brilliant graphics depict a variety of allotropes, especially the allotropes of carbon. Some notes are available to help make these useful for teaching your young chemists, but not for every slide. With some additional preparation on...
Serendip
Where Does a Plant's Mass Come From?
Where does the mass for a growing tree come from? Scholars consider a few different hypotheses and guess which is correct. They then analyze data from different experiments to understand which concepts science supports.
Curated OER
Molar Mass
Only three slides comprise this collection. The first defines molecular weight and molar mass. The second lists the molar mass and number of particles in a mole of several substances. The third is a chart depicting a chemical reaction...
Curated OER
Chapter 6 - Bonds
Although there are only 16 questions here, this chemistry handout makes a terrific unit assessment. It queries youngsters on the properties of ionic and covalent compounds, relates bond length tho stability and enrgy, compares polar and...
SRI International
Science of Water
Water is crucial to survival. Scholars gain an appreciation for water by reading about it, learning about its atomic properties, and investigating its properties through six stations in a lab activity.
Cornell University
Polymers: Instant Snow
Is it easy to make snow? Scholars use critical thinking skills as they investigate the concept of polymers by making snow. The class tests several different variables and takes measurements over the course of several days. They then...
Curated OER
Predicting Molecular Geometry and Hybridization
For this molecular geometry and hybridization worksheet, students identify bond angles, Lewis structures, hybridization, polarity and valance electrons in given molecules. They also label a drawn compound with hybridization and bond angles.
Curated OER
Organic Chemistry Reactions
In this organic chemistry reactions worksheet, learners are given a table with 8 different types of reactions that occur with organic molecules. Students answer 3 questions about the reactions given in the table and indicate which...
Curated OER
Worksheet-Bonding
For this bonding and electron configuration worksheet, students answer 9 multi-part questions including identifying the differences between bond types, drawing Lewis structures for atoms and identifying types of bonds in molecules.
Curated OER
Lewis Dot Structure Worksheet
In this molecules worksheet, students determine the Lewis dot structures for 25 given molecules and determine the physical properties of molecules based upon polarity and intermolecular interactions.
Curated OER
Water: The Neutral Substance
In this water worksheet, students read about hydrogen bonds in water and the differences in electronegativity between the oxygen atom and the two hydrogen atoms in water. Students answer four questions about the structure of water and...
Curated OER
It's Just a Phase: Water as Solid, Liquid and Gas
Students construct models of the way water molecules arrange themselves in three physical states - solid, liquid, and gas. They explain the molecular behavior of ice, water, and water vapor.
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