In this angular size and similar triangles activity, students use the properties of similar triangles and the ratios of sides to solve for unknowns in given diagrams.

What do a bird, an egg, a rabbit, and a toad all have in common? This fun-filled resource explains the similarities and differences between cells and how all cells are similar, yet all are different. Learners begin by depicting a...

A scenario is presented for chemistry techs to address. Using titration techniques, they must analyze hydrogen peroxide solution samples. They evaluate accuracy and precision in the process. They also gain experience consulting the MSDS...

Students calculate the height of a tree or flagpole. They measure the shadow of the tree or flagpole and the length of a shadow of a meterstick. Using similar triangles, calculate the heigh. Devise two additional ways in which to measure...

Students explore a variety of animals that live on our planet. The shapes, sizes, colors, movements, and coverings of the animals are observed. The similarities and differences in the animals are grouped according to common traits.

Don't be so dense that light bends around you; study the relationship between mass and volume instead. Young chemists measure the density of a variety of liquids and solids. A reading passage and analysis questions introduce pupils to...

Is artesian water designed to be better, or is it just from wells similar to those in the city of Artesium? This experiment looks at many different types of bottled waters, including artesian. Using a soap mixture, scholars test to see...

Scholars learn about a series of three challenges when they design a bus system for a small town. They determine the bus routes and then figure out the best type of fuel to use before considering the cost of going electric. Learners...

The earth only revolves around one thing — and it's not any of your pupils. The instructional activity includes two activities dealing with the distance to the sun and the moon. First, scholars create a pin hole camera and use the rules...

What does the past have to do with today? Young scientists find that answer as they learn more about past chemists and their significant contributions to the field. Pupils use the Internet to research historical figures...

Students solve a crime mystery using chemical tests. They review the crime scenario and then become familiar with the procedure and results for two tests used to identify unknown powders. They perform the tests on the crime samples and...

Students perform tests in the lab to identify an unknown substance. In this physical science lesson, students observe the physical and chemical properties of substances. They formulate a conclusion based on experimental results.

Students explore botany by completing an art design activity in class. In this gardening history instructional activity, students identify the plants and crops utilized in the Colonial era for both food and medicine. Students utilize...

Why would someone need contact lenses that offer UV protection? With a 28-page packet full of instruction and worksheets, students discuss solar radiation and its potential harm to eyes. They make snow goggles similar...

Before iPhones and calendars, how did humans determine the seasons of the year? Middle school scientists discover how to use shadows to determine the time of year in an enlightening interactive. Pupils manipulate the sun and examine the...

Students discuss that the conservatin of energy states that the energy imput must equal the energy output. They then figure out how can a machine help you to perform task otherwise considered impossible? Students discuss the six simple...

If you are a geology teacher in the state of Virginia, then this resource is right up your alley! It examines the five geologic provinces of Virginia: The Coastal Plain, The Piedmont, The Blue Ridge Mountains, The Valley and Ridge...

Steel is an example of homogeneous mixture, also called an alloy, which is made of iron and carbon. The presentation introduces learners to elements, compounds, and mixtures. They explore their similarities and differences, and then take...

If the infectious diseases and population growth worksheet, students simulate the spread of an infectious disease by exchanging fluids in a lab activity. Students watch the spread of the disease and graph the spread of the disease vs....

First graders look for geometrical shapes in nature to help them appreciate the diversity of the natural environment.

In this honor chemistry I worksheet, students use all available resources to answer each question given. Students apply their knowledge of light, quantum theory of light, Bohr's model, photoelectric theory.

Build an interest and appreciation for architecture in your young learners with this fun 10-lesson art unit. Engaging children in using their five senses, the class first observes the environment around them, paying...

Learners create endangered animal figures and their habitats.

Third graders graph how much water is wasted while waiting for it to get warm in the spigot in the sink. In this graphing lesson plan, student first predict how much water is wasted. That night they test it out at home and the next day...