This is an online exercise in which chemistry learners answer a series of multiple choice questions about bonding. Topics addressed include ionic and covalent bonds, electronegativity, ions, valence electrons, resonance structure, and...

Students review the difference between viruses and bacteria, and provide examples of illnesses that each can cause. To help students comprehend how quickly an influenza infection can spread, they perform an activity. They are placed in...

Students, while engaged in a group discussion, collaborate a mini-project on environmental issues at home and/or in the classroom as well as incorporating environmentally related words and expressions within their daily diary writing...

In this landform learning exercise, students read 6 paragraphs about the process the Dutch used to build new landforms and threats they face today. After reading the background information, students complete 3 short answer questions...

Sixth graders study how erosion affects archaeology sites. In this investigative lesson, 6th graders construct a model of a pyramid using sugar cubes. They will investigate in groups how water, wind, and sunlight affects their model...

Students investigate water density. In this water density lesson, students conduct an experiment with food coloring, water and salt to see how the salt effects bodies of water.

In this online interactive history quiz worksheet, students respond to 50 multiple choice questions about Albert Einstein. Students may submit their answers to be scored.

For this online interactive history quiz worksheet, students respond to 50 multiple choice questions about the accomplishments of Werner Heisenberg. Students may submit their answers to be scored.

In this online interactive history quiz instructional activity, learners respond to 49 multiple choice questions about Isaac Newton. Students may submit their answers to be scored.

In this online interactive history quiz learning exercise, students respond to 49 multiple choice questions about the accomplishments of Max Planck. Students may submit their answers to be scored.

In this cell structure worksheet, high schoolers complete 50 multiple choice question review quiz about the different functions and parts of the cell.

In this biology review worksheet, students complete 50 multiple choice questions on the stages of mitosis and meiosis. They compare and contrast the two.

In this molecular biology worksheet, learners complete 50 multiple choice questions on DNA and RNA replication, translation and transcription.

In this plant science worksheet, students complete 45 multiple choice questions on plant reproduction and different plants of a plant.

In this review of evolution worksheet, students complete 50 multiple answer questions on Darwin's theory and the history of life on Earth.

In this animal behavior worksheet, students complete a 50 multiple choice question review quiz on how animals respond to certain stimuli.

In this chemistry learning exercise, students answer 50 multiple choice questions on stoichiometric calculations, the mole and chemical reactions.

In this gas laws review activity, students solve pressure, temperature and moles of gases to answer 50 multiple choice questions.

In this chemistry review instructional activity, students answer 50 multiple choice questions on solutions. They identify different types of solutions and ways to express concentration.

In this chemistry activity, students answer 50 multiple questions on acids and bases. They calculate the pH and pOH of acid and bases solutions.

In this electrochemistry worksheet, learners answer 50 multiple choice questions related to oxidation states, galvanic cells and redox reactions.

In this chemistry review worksheet, students answer 50 multiple choice questions on reaction kinetics. They identify the factors affecting the rates of reactions.

In this organic chemistry review worksheet, students complete 50 multiple choice questions on naming and identifying organic compounds.

In this physics activity, students complete 50 multiple choice questions on vector addition. They calculate displacement and resultant vectors.