Understanding arrays is very similar to understanding the relationship between multiplication and area. Give your third graders an opportunity to practice identifying area models that relate repeated addition and multiplication. They...

Explore the causes of ozone depletion and the effect on plankton, algae, plants, amphibians, and humans. Learn how the Montreal Protocol has possibly helped reverse the decline of the ozone layer. Warning: photos of skin and eye...

There is more than one way to measure an amount, as learners discover by applying multiple measurement tools in these activities. Centimeter cubes, cylinders, beakers, and measuring cups are used to find the volume of regular and...

Make the connection between Hooke's law and elasticity with an activity that introduces the class to the behavior of elastic materials. The resource defines stress and strain to calculate the modules of elasticity of...

More than 127 non-native species live in Glacier National Park in Montana and their infestations are growing! Pupils read about and gather samples of exotic plants. Participants create a master book of pressed plants and complete a...

In order to learn about the Pythagorean Theorem, young mathematicians investigate relations and patterns between different sides of a right triangle to look for possible relations among the squared sides. Once they have established the...

Hopefully you have a sensor interface for your physics class to use with graphing calculators when collecting data with a light sensor. If so, read on. Use this resource for learners to predict and then test whether or not the intensity...

In this metric activity, students complete conversions, choose best measures for given items, then solve comparisons and 2 test prep questions. Houghton Mifflin text is referenced.

Turn your students into flocks of migratory birds for this fun lesson on animal migration. Prior to the activity, the teacher creates four different migration routes in the classroom or any available open space, labeling nesting...

Young mathematicians may solve for cubic units but do they know what that is? This video does a great job of visually explaining not only how to find cubic volume, but what it means in relatable terms. 

Here is an approach to calculating percent with 16 practice problems to solidify the skill. Two examples demonstrate dividing by 100 to get one percent and then multiplying by the percentage in question to get the solution. Learners find...

Students analyze US census data and criteria to compare and measure the quality of life in the country's fifty largest cities. After accessing the 2005 quality of life world report online, students conduct their study to compare three...

What kind of design challenges are there in building structures to support rocket engines? The unit takes design teams through the process of building the lightest possible thrust support structure that can withstand the necessary forces...

You won't have to force your classes to complete these engaging activities! Through exploration, young scientists learn that force has both magnitude and direction. They draw force diagrams, investigate force models, and complete a...

The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...

The Cold War—with its roots in World War II—impacts the world today. Using an extensive curriculum, scholars consider its impact through primary sources, including speeches and propaganda, as well as other skills-enhancing activities. An...

Clarify the Common Core standards for your eighth grade mathematicians with this series of classroom displays. By rewriting each standard as an achievable "I can" statement, these posters give students clear goals to work toward...

Explore surface area and calculate how much wrapping paper one needs to cover a whole box with this math video. The resource gives a nice visual of surface area and explains the use of a square unit.

Physical or life science learners measure the amounts of water eliminated by intestines and the urinary system, and the amounts lost via respiration and perspiration. In doing so, they discover that the body's water must be replenished...

Immediately capture the attention of your class with the smell of freshly popped popcorn in the sixth lesson of this series on the needs of living things. Young scientists first use their senses to make and record observations of...

Third graders conduct experiments in matter to create chemical changes resulting in gases. By mixing solids and liquids, they create a chemical reaction and capture the gas in balloons. After observing the balloons fill with carbon...

Kids love to cook! What is a better place to learn mixed numbers than with a recipe? It is up to learners to decide how they want to divide this recipe in half. They may choose to model the mixed number and then divide the model by two....

Class members read a handout to learn about using I-Messages—honest statements that begin with I to get their points of view across. Next, learners practice using I-Messages with partners to better communicate without hurting...

Attractive and logical instructions are provided for constructing a balloon-powered car. Young physical scientists measure the distance their car travels and record it on a pre-printed data sheet. The make alterations to improve the...