Curated OER
Extracting DNA from Your Cells
Three steps are needed to extract DNA from learners' inner cheek cells. The procedure and reasons for each step are explained. As enzymes work on the cells, a series of questions are answered regarding the structure of the DNA molecule....
Curated OER
Bacteria Lab II: Effect of Bacteriocides
Written to follow "Bacteria Lab I: Preparing Agar Plates and Culturing Bacteria," also found via the Lesson Planet site, this lab sheet instructs your microbiologists to test a bacteriocide for effectiveness. In the preceding lab, they...
Nuffield Foundation
Digestion of Protein: Microbes
Milk the resource for all it's worth. Young biologists perform assay techniques to test the digestion of protein. They place bacterial samples, fungal samples, trypsin solution, and distilled water on a milk-agar plate to see the effects...
Royal Society of Chemistry
Chemistry Masterclass—Chemistry Outreach
Immerse your chemistry class in the world of organic chemistry! Science scholars isolate acetaminophen from an over-the-counter sample during an intense and interesting lab. Groups use many different separation and analysis techniques to...
Pingry School
Qualitative Analysis of Eleven Household Chemicals
Chemical and physical properties give compounds an identity. Learners use the identity of a compound to predict what it is. By performing different tests like solubility, flame, heat, and reactions, individuals attempt to identify an...
Curated OER
Carbon Dioxide - Sources and Sinks
Where does all of the carbon dioxide come from that is supposedly leading to climate change? Earth science pupils test animal, plant, and fossil fuels as sources in this investigation. Using an indicator, BTB, they are able to detect the...
Curated OER
Leaves, the Sun, and the Water Cycle
As a way to combine life and physical science, or simply as an investigation of plant transpiration, this instructional activity is sure to inspire! Middle schoolers capture the moisture given off by plants that are placed in different...
Curated OER
Qualitative Analysis
In this qualitative analysis learning exercise, students read about all the different tests that can be done in chemistry to give qualitative results. Tests include flame tests, forming precipitates with sodium hydroxide, using sodium...
Curated OER
A Demonstration of Photo-and Geotaxes in Nauplii of Artemia Salina
Students explore phototaxis and geotaxis in brine shrimp. In this phototaxis and geotaxis lesson plan, students study the effects of light and gravity on brine shrimp using a test tube, a pen light and gravity. They answer questions...
Curated OER
Fall 2004 Midterm Exam #2 - Electricity and Magnetism
Written for a college physics course, this midterm examination deals with electric and magnetic fields. When taking this test, learners answer multiple choice questions, solve problems, and analyze a variety of attractive diagrams....
Curated OER
Human Embryology
Ninth graders are introduced to the concept of human embryology. Individually, they complete an exercise in which they determine which trait they got from which family member. In groups, they identify and label the reproductive organs...
Curated OER
Nasonia Genetics-A Jewel of a Wasp
Students investigate the inheritance pattern of eye color in Nasonia wasps. In this genetics and inheritance lesson plan, students read about the life cycle of Nasonia wasps and hypothesize about the possibilities of eye color inherited...
Curated OER
Roller Coasters
Twisting and turning through the sky, roller coasters are popular attractions at amusement parks around the world, but how exactly do they work? Explore the physics behind these thrilling rides with an engineering design activity....
Nuffield Foundation
Identifying the Conditions Needed for Photosynthesis
Budding biologists often ask how scientists know what they do about different topics. In the lab described here, they have a chance to find out first-hand about the requirements for photosynthesis. Three sequential investigations are...
Nuffield Foundation
How Much Energy Is There in Food?
People associate calories with food, but what is a calorie? Young scientists measure the number of calories in samples of food to better understand the concept. They test a variety of samples, take measurements, and compare their results...
Energy for Keeps
Getting Current: Generating Electricity Using a Magnet
Give your class a magnetic charge with this creative experiment designed to teach emerging scientists about electromagnetism. Pupils construct a model that demonstrates the function of an electrical generator and test this creation in a...
Curated OER
Attract or Repel?
Opposites attract with a fun science experiment on magnets. With a short paragraph on background knowledge, the lab sheet prompts third and fourth graders to choose which pairs of magnets will attract, and which pairs will repel. A...
Curated OER
Chromatography
Advanced techniques for the lab use of chromatography are detailed here and your students will learn the specifics of separating molecules using a staionary and mobile medium. Diagrams of the equipment used and some facts about how...
Cornell University
Building Spectroscope
Given specific materials, scholars follow a set of instructions to build and calibrate their very own spectroscopes. After construction, they test the scope for accuracy and make modifications where necessary.
Oregon State
Using Paper Chromatography
Through the analysis of paper chromatography to separate ink from the pen found at the crime scene, learners analyze the different stains and through calculations determine the thief.
Curated OER
Science Safety Rules
In this chemistry worksheet, students read the paragraphs on the sheet to locate the broken safety rules. Then they underline each one of these and count how many they found.
Curated OER
Testing the Water
Students develop and test a hypotheses through collecting and recording water quality data. They perform their tests outdoors in a location with a safe stream and easy access for students. Their various experiments involve the entire...
Curated OER
Testing Water for Hardness
Students discuss the nature, cause and effect of hard water. Each student conducts a soap test on a sample of hard water where the hardness is known measuring the height of the bubbles produced.
Curated OER
Water Hardness- Causes and Testing
Eighth graders examine what materials cause water hardness and the relative measure of water hardness in a two part lab activity. In part one, 8th graders add an assigned soap test solution to eleven different test tube solutions in...