Not all homographs are the same! Actually, that's exactly what the definition means; the spelling is the same, but the meanings are different! Look at some common homographs with your class. Example words include: bow, desert, produce,...

The process of fire requires oxygen, heat, and fuel. Take one of those away, and fire ceases to exist. That's the idea behind this worksheet which portrays a candle burning inside an upside down jar. Pupils answer a couple of questions...

Show learners that function notation and multiplication notation are not the same. In the example, Katie is given a function, C(x), which is the cost of producing x amount of DVDs. Ask learners if Katie can divide the function notation,...

In a simple activity, physical scientists model nuclear fission using a droplet of oil. This can be used alone in a unit on different types of energy, or as part of the energy conservation unit produced by the Texas State Energy...

How can we accurately estimate what the economy should produce now and in the future? Have your pupils tackle this question as they learn about real versus potential GDP and as they review data regarding the output gap in...

Young scientists will be abuzz as they sample and compare the tasty treats produced by Apis Mellifera. 

How exciting would it be for your chemistry class to produce their own "gold"? This experiment allows pupils to witness the chemical reaction of copper pennies as they react with zinc and sodium hydroxide to produce "gold" tokens. It is...

What is a chemist's favorite plant? Stoichiome Tree! Scholars produce hydrogen gas by reacting magnesium with hydrochloric acid. Then they calculate the molar volume of the gas produced before answering assessment questions. 

Study the 16 Habits of Mind with a professional resource. Based on Describing 16 Habits of Mind by Arthur L. Costa and Bena Kallick, the resource details 16 ways learners perceive problems around them and produce ways to deal...

Add a little music to your next physics class. Pupils discuss how frequency determines pitch and take part in several activities designed to teach them more about sound, melody, resonance, and vibrations. They use materials to construct...

Photosynthesis requires energy and produces food, and cellular respiration produces energy and requires food. An interesting lesson analyzes the factors that affect the rates of photosynthesis and respiration. Classes spend one day...

One 17-ounce bottle of Cola requires around 46 gallons of water to produce. How is that possible? Young scientists learn about the hidden water used to produce everyday items. They research, discuss, and look for ways to reduce water...

How many ways can you slice dice distribution? A short performance task asks pupils to consider different types of distributions. Given histograms showing a triangular distribution and a bimodal distribution, they create pairs of dice...

Both aerobic and anerobic respiration are introduced in this succinct PowerPoint. The chemical equations for both are included. The last slides give instructions for a lab activity in which pupils use a gas sensor to measure the...

Learners discover that multiplying transformation matrices produces a composition of transformations. Using software, they map the transformations and relate their findings to the matrices. 

Class members make a real connection to matrices in the 25th part of a series of 32 by looking at the identity matrix and making the connection to the multiplicative identity in the real numbers. Pupils explore different...

Middle Schoolers produce a class newspaper about the American cowboy and the times in which he lived with illustrations, feature stories and advertisements typical of the times. This is an ambitious, yet worthwhile project for youngsters...

Blend chemistry with cooking in this exploration of polymers, carbohydrates, and food science. Experimenting with gelatin produces concrete examples of the bonding and ploymerization discussed in the lesson. Copious, comprehensive...

Learners compute the cost of electricity used to light their classroom and their school for various lengths of time. They compute the amount of coal needed to produce the electricity used for one hour of light in their classroom. An...

Learners research and discuss the origins of the American colonies and explore how colonists were still influenced by English culture. As a follow-up project, students produce a portrait of an individual.

High schoolers create artwork by airbrushing on silk. This is a simple beginners project using five colors of paint and two types of stencils: positive and negative. As with all of the art lessons that come from this source, the products...

In cooperative groups, emerging ecologists research assigned biomes found in Arizona. Combining photos and facts, they use PowerPoint to produce a fully automated commercial that lasts 45 seconds. In addition to the lesson outline,...

Students design and create a sculptural relief using modeling clay.They create latex rubber molds and then produce relief sculptures using Sculptamold.