It's About Time
Polymers
All plastics contain polymers, but not all polymers are plastic. Young chemists make their own polymer and compare the properties to those of other states of matter. After a reading passage, pupils answer analysis questions about natural...
National Institute of Open Schooling
Compounds of Carbon Containing Nitrogen
Amines are vital to humans because they help form amino acids, the building blocks of proteins. The 30th lesson in a series of 36 specifically focuses on the organic compounds that contain nitrogen. Learners classify amines and nitro...
National Institute of Open Schooling
Occurrence and Extraction of Metals
Steel is a man-made alloy or a mixture of metals. Lesson 18 in this series of 36 focuses on metals and their extraction from Earth. Individuals read about, discuss, and answer questions after learning how people find most metals, the...
National Institute of Open Schooling
Coordination Compounds
Cyanide, a coordination compound, is used in the extraction of gold and silver. Part 24 in the series of 36 delves into the world of coordination compounds. Classes learn, through readings, discussions, and answering questions, how to...
National Institute of Open Schooling
Solutions
Aqua regia, or royal water in Latin, is a solvent that can dissolve solid gold and platinum into a solution. Activity nine in a series of 36 allows classes to learn, through readings and answering questions, what a solution is and the...
Curated OER
Learning Outcomes
In this science worksheet, students explore the learning outcomes for a unit on chemical reactions. Students define 60 vocabulary words and answer a list of questions for each topic.
Curated OER
Physical vs. Chemical Changes
In this chemical reactions worksheet, students read about the differences between physical and chemical changes in substances. Then students identify situations as either an example of physical or chemical change. Students learn how to...
Curated OER
Vocabulary Practice
In this sentence completion worksheet, students read two choices of vocabulary words and choose the correct words to make the sentences make sense. Students choose 14 answers.
Curated OER
Review Sheet for Matter Test
In this matter worksheet, students answer five questions about the law of conservation of mass. They identify substances as solids, liquids, gases or mixtures and they identify given items as matter or energy.
National Institute of Open Schooling
Chemical Kinetics
Not all chemical reactions happen at the same rate because some, like explosions, occur quickly and some, like rusting, occur over time. Here, learners explore chemical reactions and their rates in the 16th lesson of 36. Through readings...
Concord Consortium
Acid Test
This isn't your typical basic lesson—it's more acidic! Learners use pH information to determine the hydroxide ion concentration of different substances and then use these values to analyze information. The calculations require...
Curated OER
Atoms and Their Interactions
In this atoms worksheet, high schoolers will review the characteristics of elements, atoms, and isotopes. Then students will compare the difference between ionic and covalent bonds. Finally, high schoolers will balance a chemical...
Curated OER
Water and Diffusion
In this water and diffusion learning exercise, students will explore the characteristics of water and the water molecule. Students will also answer questions about diffusion and the movement of materials due to concentration differences....
Curated OER
Elements, Compounds, and Mixtures
In this matter worksheet, students review the three forms of matter by reading a poem and completing 1 matching and 5 short answer questions.
Curated OER
Angela Merkel
In this Angela Merkel worksheet, students read about the life of the Chancellor, then complete a variety of comprehension activities. An answer key is included.
Curated OER
Basic Subtraction Facts
For this basic subtraction facts worksheet, students problem solve and calculate the answers to twenty subtraction equations. Students double-check their answers with their classmates.
Curated OER
Indra Nooyi
In this Indra Nooyi learning exercise, students read about the life of the CEo of Pepsi, then complete a variety of comprehension activities. An answer key is included.
Curated OER
Breaking News English: Romantic Love Lasts Only a Year
In this English instructional activity, students read "Romantic Love Lasts Only a Year," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.
Teach Engineering
Quantum Dots and the Harkess Method
The Fantastic Voyage is becoming close to reality. The class reads an article on the use of nanotechnology in the medical field and participate in a discussion about what they read. The discussion method helps class members become more...
Beyond Benign
SLS Toxicology Test
Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...
Curated OER
Educational Subjects
In this interactive vocabulary worksheet, students read the description of educational subjects and select the subject which the sentence is describing. There are 10 questions to complete.
Curated OER
Love and Loss
For this love and loss worksheet, students choose the correct word to complete the sentences about loving and losing in love. Students complete 7 multiple choice questions.