Cell size is limited by the surface area to volume ratio, but why is this true? Scholars measure the surface area and volume of cubes before placing them into liquid. After a set amount of time, they measure the uptake by diffusion for...

How does temperature affect lipase activity? Young scholars conduct an experiment to collect data on the interaction of lipase at different temperatures. They add lipase to a solution of milk, sodium carbonate, and phenolphthalein and...

Some weddings have flowers in a unique, unnatural color to match the theme. Young scientists take part in this process to learn about the function of the xylem as they observe colored water moving through a flower. Then, they experiment...

Help! Someone's trying to take my DNA! An interesting lab experiment has scholars use basic materials to extract DNA. By applying ethanol, cold water, and a protease enzyme, like pineapple juice, they pull strands of DNA from peas,...

Healthy invertebrates mean healthy ponds. An outdoor activity has scholars collect samples of invertebrates from local lakes or ponds. They identify and count different species and use the information to estimate the level of pollution...

You won't get a stomachache doing an investigative experiment. Pupils simulate the effect of antacids on stomach acid. Obviously, they won't be using real stomach acid; diluted hydrochloric acid serves this purpose.

Don't let all your hard work go up in smoke. Pupils conduct an experiment to see the harmful effects of cigarette smoke. They observe how smoke changes the color of white wool and an indicator solution.

Do you have what it takes to survive as a fit predator or will elusive prey lead to your extinction? Find out in a creative natural selection activity. Using different colors and shapes of grains to represent different species and...

Students study invention steps and design their own invention. In this invention lesson, students discuss inventions and the process of inventing. Studnets write in an inventor's journal and study various types of inventions....

Students investigate the life changing events that can take place in the life of a school age child. They conduct class discussion about some examples of life changing events. The lesson plan is targeted towards counseling or opening...

Learners investigate ways to enhance an object's flying ability.  In this model construction lesson, students construct two paper airplanes, one of which is twice as big as the first.  Learners compare and contrast the two...

Preparing the root tip samples is the most challenging part of the mitosis-viewing lab found here, but the directions help ensure you have everything you need. There is no worksheet included; however, there is a sample data table....

Art classes, like any lab class, require extensive preplanning and set-up time. Use this planning template in the quiet before the storm to identify the equipment and materials that will be needed, the procedures and processes...

Students discover ways to protect themselves from the sun. They identify diseases that are caused by too much sun exposure. They take a quiz and measure their progress throughout the year.

Students sort medications by likeness and use. They compare and contrast using a Venn Diagram, and find the differences and commonalities of over the counter and Rx medications.

Twelfth graders describe at least two of the main causes of machine accidents. Possible responses: Unauthorized persons doing maintenance or using the machines. Missing or loose machine guards. List three of the requirements for...

Students study about the bacteria that grow in eggs. They examine what farmers do to keep eggs safe such as providing clean environments in the chicken house.

Pupils complete various activities related to mining and mining safety. They write an energy sentence, complete a word puzzle, cut and glue safety equipment on a mining character, solve a math code word puzzle, and complete a maze...

Learners brainstorm ways to prevent fires from home. In this technology lesson, students create fire-safety posters for their school. They research the internet and explore other resources to get information for the poster.

Students participate in a service learning project to benefit the members and animals in their community. In this animal welfare lesson, students review emergency preparedness. Students discuss animal safety in an emergency. Students...

Middle schoolers apply the scientific method and safety rules to aquatic pH. They test unknown solutions for pH levels.

Pupils explain basic components of the space shuttle stack and the chemical fuel makeup and storage used on the external tank of space shuttle. They discuss findings of Columbia mission accident. and the safety improvements that have...

Students explain how to prepare and keep food safely. In this health science lesson, students research common mistakes and tips for maintaining a clean kitchen. They identify main causes of foodborne diseases.

High schoolers use the scientific inquiry method to identify the changes in a plant's life cycle. In groups, they plant different types of plants and use a chart to compare and contrast their growth rates. They share their conclusions...