Cutting the cheese isn't a joke. Scholars observe a wedge of cheese and must determine how to cut it in half horizontally. They apply their knowledge of sectors to determine the most accurate way to slice the cheese.

Run, Rich, run! Learners watch a video clip from the NFL showing Rich Eisen running a 40-yard dash. It then superimposes a video clip of Julio Jones. The task is to determine who would complete the dash first—if Julio Jones runs at half...

More than half the world's population eats rice as a daily staple ... imagine if that rice could prevent illness. Scientists genetically engineered rice to include vitamin A for just that purpose. However, room for debate still exists....

Imagine studying Korean culture, especially the role of women, as well as marriage and religious rituals from home! Anthropologist Laurel Kendall shares what she has learned from her many trips to this fascinating country half a world away.

This outline introduction for a college course covers the idea of humanities and various language forms and literature genres. Beginning with the human species and our influence on the world around us, take a very thorough look at the...

In this telling time learning exercise, 2nd graders draw the two hands on the clock to show the given times. Students draw the hands for 11 clocks.

In this language arts worksheet, students work in pairs, each with half a crossword puzzle. Students take turns defining a word from their crossword so their partners can add the word to their version of the puzzle. Students may not...

In this ESL activity worksheet, students work with partners to complete a crossword puzzle. Each student is given a puzzle half completed. Their role is to give clues for the answers already given and fill in the other answers based on...

Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...

As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...

Students study chromosomes and how molecular half life affects them.  In this chromosome lesson students complete several lab activities on calculating half life, and cracking alkanes. 

First graders problem solve using the concepts of doubling and halving numbers as previews for finding multiples and working with fractions. They determine how to find half of a set of objects and work with sums up to 16. They work with...

For this kinetics worksheet, students determine the concentration and half life of compounds at a specific rate constant. This worksheet has 4 problems to solve.

See how bias operates firsthand. Half of the class reads one article while the other half reads another article on the same event. The obvious differences emerge when the two sides talk about their observations though. Several handouts...

Hey, Macarena!! The Macarena is very simple to dance: left, right, left, right, wiggle the hips. Spice it up a bit by giving the class things to hold in their hands such as lummi sticks or scarves. Give them anything that will not be too...

Which compounds have only one valence bond, and which have two? Chemistry classes sort cards into groups of monovalent and polyvalent piles, according to their bonds. There are 20 cards to identify; half of them name the compound, while...

The first Thanksgiving is the focus of a lesson that boosts reading comprehension and interview skills. Half the class reads about Pilgrims while the other half reads about the Native American, Squanto. After answering questions, pupils...

Young scholars research bridges from around the world looking for the Parisian architecture. They identify arch, suspension, cable and covered bridges. They draw half a bridge utilizing Crayola Erasable Markers. They construct their...

In this multiplying worksheet, learners solve 24 multiplication problems. Half of the problems involve multiplying 10 times 2-4 digit numbers and the other half involve multiplying 100.

Although the wind blows frequently in deserts and may even contribute to their existence, you may teach these two topics separately. Regardless, there are demonstrative photos and diagrams that support the explanations. Explore the...

Biology novices name the seven levels of classification and use binomial nomenclature for naming living organisms. The first half of this presentation bestows a brief history of taxonomy, while the second half instructs on how to use our...

In need of a fun way to define an isosceles triangle? This activity has learners fold a paper in half and then cut it to create an isosceles triangle. They determine the line of symmetry by folding the triangle in half and then use the...

Looking for math vocabulary cards for third graders? Use a set of 15 math cards with terms associated with graphing. The top half of each sheet has the vocabulary word printed in bold text, and the bottom half includes...

A set of 9 math vocabulary cards prompts young mathematicians to master division concepts. The top half of each sheet contains the word printed in bold text, while the bottom half has the definition card.