Students examine the importance of good quality safety gear. In this investigative lesson, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets. They will design a...

In this identifying fractions worksheet, students examine 11 pictures, record the fraction shown, and write the words that represent the fractions.

In this fractions practice activity, students examine 9 fraction graphics, write each of the fractions, and record how to say each of the fractions. An example is included.

For this energy and mass worksheet, students read about Einstein's formula, E=mc2 and they solve six problems. They convert from different energy units to different mass units using a given formula.

In this concentration changes and equilibrium worksheet, learners experiment with iron (III) ions and thiocyanate ions to observe the effects of concentration on the equilibrium of solutions. Students observe their mixtures, explain the...

In this areas and volumes worksheet, students find the area of truncated cones and elliptical cylinders.  They find the area by using one of three methods:  the disk method, the shell method, and using geometry.  This...

Students examine invertebrates. In this animal classification instructional activity, students discuss invertebrates and bilateral symmetry. They discuss the importance of horse shoe crabs in medical science.

Pupils differentiate between exponential and power functions. They identify the base, exponent and properties of exponential functions. They also graph the functions using the TI calculator.

Learners explore the concept of factoring trinomials.  In this factoring trinomials lesson, students use the Mack Method to factor trinomials.  Learners watch a video on how to factor a trinomial with a coefficient of 1 with...

Fourth graders investigate the concept of fractions. A pizza is used as a metaphor and example of practice for students. They use the appropriate methods of dividing numbers from a whole and into the fractional parts. Then students...

Students explore algebraic relationships using the coins in their "pocket." Interactive games that demonstrate the use of estimation in algebraic problem solving help them build a framework for understanding word problems in a way that...

Students complete fraction word problems using TI-Explorer Calculators.

Third graders identify secondary colors that are created by mixing primary color paint combinations, and make paintings of their own.

Third graders compare the parts of a real tornado with the parts of a tornado created in a demonstration, label "Tornado Alley" on their maps, and label the locations of famous tornado disasters on their maps.

Fifth graders hold a press conference with Abraham Lincoln.

Learners examine the importance of tsunami warning systems. They read and discuss an article, conduct an experiment in a wave tank, calculate wave velocities of tsunamis, and identify what happens to tsunamis as they approach a shoreline.

Eleventh graders brainstorm controversial themes of Spanish-speaking countries. They read articles written in Spanish. They discuss the articles, practicing their Spanish speaking skills. Students conduct research and design a...

Students measure irregularly shaped bones, once using a variety of measurement methods and tools, and then again using standard conventions and metric tape measures. They explore firsthand that standardizing data collection makes...

In this equilibrium activity, high schoolers read about the factors that effect equilibrium in solutions such as the pressure of the solution, the temperature and the concentration of the solution. They answer three multi-part questions...

In this electricity and thermodynamics worksheet, students review the major concepts of both series circuits and parallel circuits, they review types of thermal transfer, they match electricity terms with their definitions, they fill in...

For this radiation shielding worksheet, students use a graph of the dosage of radiation versus the thickness of aluminum shielding using data from the MIR spacecraft and ISO satellite to solve 3 problems. They determine how thick the...

For this modeling the Keeling Curve worksheet, high schoolers use given data beginning in 1960 to create a mathematical model for the changes in atmospheric carbon dioxide over time. Students manipulate the equation to predict the carbon...

In this star circles worksheet, students solve six problems given a diagram of a time-exposure photograph of the stars. Students determine the scale of the image, the location of the North Celestial Pole, they identify Polaris and they...

Students identify Roman numerals and the history associated with them.  In this historical number lesson, students investigate charts and photographs to discover the history of Roman numerals.  Students bring a Roman numeral...