Sometimes modeling is the best approach to working with microscopic particles. A lab investigation models a fictional element using pasta. The setup uses three different pasta types to represent three different isotopes. Learners...

Beginning biologists prepare a sugar solution for yeast cells to live in, and divide it into two different jars. Samples from each jar are viewed with a microscope, and then one jar is placed in a warm environment and the other a cold...

Here is a lab that has teenage scientists examining samples of their own blood under a microscope. Learners carefully prepare slides, then make detailed observations and identifying different types of cells using a key. 

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....

Explorers set up Windogradsky columns with local mud so that they can culture microorganisms. After three and six weeks they make observations of the mud and the organisms growing in it. In this way they observe succession and relate...

Here is a lab activity where teens experience the respiratory system first-hand as they dissect lungs and identify key structures within the system. Although the website is written in British English with some slightly different verbiage...

Learners discover bacteria which is around them by using agar over three days. In this biology lesson, students predict what they will see over the three days and then take photographs of what is actually shown. Finally, learners write...

Students build efficient electrophoresis systems for less than $15.00 each and use them to demonstrate electrophoresis ability of stain molecules and materials such as DNA.. They know that electrophoresis is a technique used for the...

Young scholars analyze and experience the scientific method. They discuss the various steps of the method, conduct various experiments, and write a three-paragraph essay regarding their conclusion.

Students explore magnification. In this science skills observation lesson, students make a hand lens using a wire loop and a small amount of water.

Students explore human senses. In this applied Science instructional activity, students utilize their senses to distinguish various objects. Students explain their descriptions.

Rotating through five stations, evolutionary biologists explore the question of how changes in DNA facilitate the changes in a population over time. High-quality, colorful cards of animals, skeletons, skulls, and DNA sequences can all be...

Students examine the structure, function, and characteristics of microscopic organisms that inhabit freshwater through collection of water samples and observation through microscopes.

Students microscopically observe various subcellular components. They determine the effects of different salt solutions on Elodea plant cells. They detect the presence of chloroplasts, cell walls, and cell membranes of Elodea.

Students examine organs from dogs and cats to study reproduction, embryology, and the identification of cancer. They record their observations at both the gross and microscopic levels. They present their information to the class.

In this comparing plant and animal cell worksheet, students use a microscope to observe cheek cells and onion cells. They compare their observations and answer 3 questions about their discoveries.

Students explore epidermal cells. After following specified procedures for removing epidermal cells from their wrist, students view the cells with the use of a microscope. After creating a drawing of their observation, students label the...

Students design the test they use to examine, how the paramecium move, feed, and react to different types of stimuli such as a drop of vinegar. They conduct a lab experiment using a microscope.

Students explore the parts of a flower. In this flower structures lesson plan, students study a model of a flower and dissect a flower. They label each structure of the flower and observe the pollen grains and ovules under the dissecting...

Students observe a planaria without a microscope and with a stereoscopic microscope. They draw the planaria and describe its motion and eating habits. Students research planarias various body systems and behavior. They design an...

Students, in teams, solve a crime using forensic lab techniques. They apply lab techniques to a real life situation using a crime scenario that takes place on campus. Sample activities include Blood, Fiber, and Hair Lab.

In this reproductive system worksheet, students compare specimens of rat ovaries and testes. They complete 5 short answer pre-lab questions, follow an 11 step procedure and answer 5 analysis questions.

Young scholars grow bacteria cultures on agar in petri dishes and do a plate count. They participate in a yogurt making lab to see how bacteria produce lactic acid. They prepare a recipe and identify fungi, fermentation and the role of...

Students examine the behavior of living cells treated with different types of stimuli. They watch an online movie, examine wet mount slides under a microscope, take an online quiz, and analyze data.