Maryland Department of Natural Resources
Eyes on Dissolved Oxygen
Learn about the factors that affect the way oxygen dissolves in salt water with a chemistry lab. After studying the molecular structure of water, young scientists figure out how aeration, temperature, and organic waste affect...
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...
Curated OER
Chemistry
In this chemistry worksheet, students describe an atom, its parts, the charges of these parts, and atoms life functions. Then they explain what the octet rule states for the placements of electrons around the nucleus of an atom. Students...
Curated OER
Life Substance
In this life substances learning exercise, learners will review carbon atoms, monosaccharides, dissaccharides, polysaccharides, lipids, proteins, and nucleic acids. This learning exercise has 4 true or false and 17 matching questions.
Curated OER
The Structure of Matter and the Chemical Elements
In this chemistry instructional activity, students answer 73 fill in the blanks and multiple choice questions on the structure of matter and properties of elements in the periodic table.
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.
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
Water Pollution
Fifteen million children under the age of five die each year due to diseases in their drinking water. Water pollution is the topic of lesson 34 in the series of 36. Scholars, through reading and discussing, study numerous aspects of...
Curated OER
Unit Conversions
In this unit conversions worksheet, students calculate and convert measurements from one unit to another. They complete 109 short answer and problem solving questions involving unit conversions.
Curated OER
Breaking News English: Romantic Love Lasts Only a Year
For this English worksheet, 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.
Curated OER
Learning Outcomes
In this science worksheet, learners 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
What is Earth Science?
This worksheet tests general knowledge of scientific fields with a focus on those involved in earth science. Learners fill in 9 blanks using the provided word bank of scientific fields. In addition, there are 2 questions specifically...
Curated OER
Physical vs. Chemical Changes
In this chemical reactions worksheet, students read about the differences between physical and chemical changes in substances. Then kids identify situations as either an example of physical or chemical change. Students learn how to...
Curated OER
Physical vs. Chemical Changes and "The Code"
In this chemical and physical change worksheet, students read about the differences between substances going through physical changes vs. chemical changes. They are given examples of each and evidence to look for in chemical changes....
Curated OER
Atoms and Their Interactions
For this atoms worksheet, students will review the characteristics of elements, atoms, and isotopes. Then students will compare the difference between ionic and covalent bonds. Finally, students will balance a chemical equation. This...
Curated OER
Water and Diffusion
In this water and diffusion worksheet, 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. This...
Curated OER
Indra Nooyi
In this Indra Nooyi worksheet, learners read about the life of the CEo of Pepsi, then complete a variety of comprehension activities. An answer key is included.
Curated OER
Famous Scientists
In this famous scientists worksheet, students are provided with a list of 83 scientists from various fields of science to choose from for research.