Students collect samples of common dust from their homes and school for examination under a microscope. They identify the components of their samples using the provided "Atlas of Indoor Dust Particles." Pupils take samples form a variety...

Learners develop an interactive diary to record bird seed consumption. In this habitat lesson, students predict and record the amount of birdseed eaten each week by birds.

In this fractions crossword, students fill in the blanks to the crossword with vocabulary words representing the computations of fractions. Students complete 17 spaces in the crossword.

Twelfth graders study the term development.  In this Economics lesson, 12th graders explore the role of trade in stimulating development, with particular focus on the role played by the British Government. Students decide how aid...

Young scholars examine the characteristics of fungi. In this biology lesson, students investigate the factors needed for fungi growth. They collect data and observations and write a report about them.

Explore prime numbers. Learners use an interactive 100's chart to identify prime numbers, discuss a glossary of terms, use cards to list multiples of 2,3,4,5, and play a bingo game.

Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory worksheet. Instructions for this worksheet include an explanation of both guess and check as well as prime...

Plants never grow at the same rate, and that is the antithesis for this word problem involving multiplication of fractions. On the learning exercise, Raul notices that Pablo's seedlings are 1 1/2 times as tall, and Celina's seedlings are...

Students examine potential contamination on the environment due to products and by-products of a new industrial process. Students conduct a lab that explores the economic differences between choices of pollution cleanup and prevention.

In this quadratics worksheet, students identify and solve 24 different problems and graphs that include using the Zero Product Property to complete. First, they define the Zero Product Property and its relation to quadratic equations....

Factor polynomial functions that have two and three terms. Using Algeblocks, your class will create models to show their understanding of these concepts.

Young mathematicians study the relationship between skip counting and multiplication. They build on skip counting skills and examine arrays while studying multiplication. Resources are provided.

Discuss with the class the reasons for identifying and defining the term material culture as refering to a vast array of objects and activities that people make and do traditionally. Your class can identify diverse crafts and decorative...

More extensive than just a general overview of digestion and reactions, this slide show gives information about all areas of enzyme function.  Topics like the chemistry behind efficiency of enzymes, factors that affect speed of...

In a radical expressions worksheet, learners use the Product and Quotient Properties of Square Roots to simplify a variety of square roots. The worksheet begins with simple radicals, progresses to radicals involving fractions and...

Environmental science learners examine satellite imagery of temperature, vegetation, precipitation, and productivity. They use these maps to understand how scientists divide the planet into major biomes. As part of a larger unit on...

Second and third graders work with a coach to find multiplication and division fact families. They follow a step-by-step process and notes are provided for the coach.

These acitivities are designed for two! With a partner, problem solve and calculate the answers to fifteen word problems or mathematical equations. Scaffolding and coaching are included, and as an extension learners are prompted to...

Written to assess high schoolers' knowledge of interpreting expressions that represent a quantity in terms of its context, this machine-scored task also allows for a good discussion about units guiding the problem solving and solution.

Upper graders multiply numbers by tens and hundreds, and multiply two and three digit numbers by one digit numbers. They participate in a teacher-led lecture and complete examples with the class, complete a worksheet, and discuss the...

Students determine the normal behavior of California blackworms. They determine how various concentrations of assigned toxicants affect the worm's behavior. Students are introduced to testing of potential toxicants, an important...

Here is a detailed presentation to assist in your lectures on the difficult topic of genetic transcription.  The history, discovery, and scientific breakthroughs will spark interest. The last 15 slides deal with the biochemistry and...

Middle schoolers gain understanding of several of the biogeochemical processes in microbial mats. They acquire knowledge of the different roles of organisms in a microbial mat ecosystem. They understand how microbial mat ecosystems...

In this multiplying by 12 worksheet, students find the products to 100 problems in which one of the factors is 12 and the other has a range of 1 to 12.