Curated OER
Chapter 14 Review, Section 3: Acids and Bases
Aside from a mention of a textbook page, this chemistry assignment is a suitable review of acids and bases. It begins by addressing conjugate pairs and acid base reactions. Neutralization and amphoteric properties are also dealt with....
Beyond Benign
Breaking the Tension
The tension builds as learners experiment in your classroom. The 17th installment in a 24-part series has scholars investigate the concept of surface tension. After discovering characteristics of surface tension, they add a compound...
National Institute of Open Schooling
Adsorption and Catalysis
Adsorption, not absorption, is when atoms stick to the surface of an object, like water sticking to a grain of sand. An informative lesson delves into adsorption, teaching physical and chemisorption and the factors that affect them....
Curated OER
Physical and Chemical Changes Crossword
In this chemistry instructional activity, learners complete a crossword puzzle with 15 clues about both physical and chemical changes. Each clue lists number of letters for correct word.
Curated OER
Colligative Properties - Freezing Point Depression
In this freezing point instructional activity, students determine the freezing point of solutions at different concentrations. This instructional activity has 9 problems to solve.
Curated OER
Water
In this water worksheet, students compare and contrast elements and compounds. Students define chemical symbols, chemical formulas, and chemical properties. This worksheet has 19 short answer questions.
Creative Chemistry
Physical Properties of Group 1 Elements
In this elements worksheet, students complete a graphic organizer by filling in the symbol and atomic number for the given elements. Students plot a graph of melting point against atomic number. Students write the electron arrangements...
Curated OER
"I'm Melting!"
Third and fourth graders engage with a worksheet designed to help them differentiate between melting and dissolving. After reading an informative paragraph about the two actions, they consider four scenarios, and choose whether they...
Curated OER
Review Set
The topics covered in these multiple choice questions are about atomic structure and bonding, state configurations, pressure and solution concentration, and energy graphs. This is a midterm review which could be used with the whole...
Curated OER
Making Molecules
In 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 of...
Curated OER
PV=nRT=Bang!
In this ideal gas law learning exercise, students watch a demonstration using liquid nitrogen, a plastic 2 liter bottle and a garbage can of water that excites students to use the ideal gas law to solve problems. Students analyze the...
Curated OER
Classifying Chemicals
In this acids and bases worksheet, learners identify the strengths of acids and bases and indicate the concentration of hydronium and hydroxide ions. They determine if given chemical formulas are acids or bases, they find...
Curated OER
Chemical Equilibrium
In this chemical equilibrium learning exercise, students review hydration, dissociation, and colligative properties. Students also review Le Chatelier's principle. This learning exercise has 15 short answer questions and 12 problems to...
Curated OER
Matter and Change
In this matter and change worksheet, students answer 24 questions on topics such as elements, compounds, mixtures and chemical reactions. Students answer questions about the properties of matter such as their physical state and shape. In...
Curated OER
Solutions Review
In this solutions worksheet, students review the properties of solutions, the polarity of molecules, molarity, and solubility curves. This worksheet has 8 short answer questions and 15 problems to solve.
Creative Chemistry
Use of Common Metals
In this metals learning exercise, learners read about the different properties of aluminum, copper, and iron and determine why these metals are used the way they are. The exercise has five short answer questions.
Curated OER
Phase Transition Temperature of Fats
In this chemistry worksheet, students investigate through experimentation the solidifying behavior of some edible fat mixtures by determining their cooling curves. Then they data-log equipment to obtain a large number of temperature...
Curated OER
Making a Miniature Concrete Girder
In this concrete girder worksheet, students use water, sand, cement and gravel to construct concrete girders. Students vary the proportions of the mixtures and label each concrete girder with the mixture's components.
Curated OER
Colligative Properties Worksheet
In this solutions worksheet, learners determine the boiling points and melting points of solutions. Students calculate the effective molality of a solute. This worksheet has five problems to solve.
Curated OER
Density Worksheet
For this chemistry worksheet, students identify and describe that density is the ratio of the mass of the substance to the volume of the substance at a given temperature. They also respond to various questions that refer to density in...
Curated OER
Solutions
In this solutions worksheet, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This worksheet has 2 short answer questions and 9 problems to...
Curated OER
pH Pre-Lab: Acids and Bases
In this chemistry lab, students determine whether or not their saliva is acidic, basic, or neutral. After completing their test, they answer 6 analysis questions.
Curated OER
Answers for Physical and Chemical Changes Crossword
In this chemistry worksheet, students are provided with the answers for a crossword puzzle containing 15 clues about physical and chemical changes.
Curated OER
Exploring Atoms
In this chemistry instructional activity, learners complete 29 fill in the bank questions about atoms based on the movie Exploring Atoms from the website www.brainpop.com .