Nuffield Foundation
Measuring Respiratory Quotient
How do scientists prove tiny living things respire? Young scientists build a respirometer and measure respiration rates in living creatures. By comparing the measurements of both plants and animals, they understand the similarities.
Curated OER
Endocrine System: Hormones
The many images and labeled diagrams in this PowerPoint will help learners understand different areas of the endocrine system. The slide
show starts with information about the absorption of lipid and protein based hormones, and then...
LABScI
Enzymes: The Spit Lab
Enzymes in our bodies each have a job to do. Learn the factors that affect the activity of some enzymes using the third activity of an informative 12-part biology series. A three-part laboratory activity asks teams to investigate how...
Virginia Department of Education
Vapor Pressure and Colligative Properties
Hate to vacuum, but enjoy using a vacuum pump? Explore a instructional activity that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor...
LABScI
Photosynthesis: How Do Plants Get Energy?
Examine the mechanism of photosynthesis through different light scenarios. Pupils vary the amount and type of light exposure on plant leaves in the fifth lesson plan in a 12-part series. Through observation, they determine the rate of...
Biology Junction
Photosynthesis: Energy and Life
All life requires energy ... and the connection between energy and plant life typically requires photosynthesis. Scholars explore photosynthesis in depth from ATP/ADP through the Calvin cycle. A helpful presentation highlights concepts...
NOAA
Please Pass the Salt
Salinity is the focus of two experimenters that work to answer the question, How does salt change the physical properties of water? Super scientists compare the freezing rate of salt and fresh water, combine the two waters to observe how...
University of Colorado
Can Photosynthesis Occur at Saturn?
In the 19th activity of 22, learners determine if distance from a light source affects photosynthesis. Participants capture oxygen in straws and find that the amount of water the gas displaces is proportional to the rate of photosynthesis.
Curated OER
Chapter 16, Food Biotechnology
Although the points given on these slides are valid, the visual accessibility is poor. Consequently, many viewers would be distracted or entirely unable to view the presentation. The content is a review of microorganisms and their...
Curated OER
Changing How Things Look
Third graders use a literature study in order to investigate how organisms effect an ecosystem. They are asked questions about change taken from the book. Students also take a nature walk to make field observations.
Curated OER
Endocrine System: Hormones
Almost a duplicate of another slideshow on our site, these slides covering classes of hormones and their function, have gaps prepared for your pupils to fill in. This copy could be printed out for your class to complete as notes during...
Virginia Department of Education
Mystery Iron Ions
Young chemists perform an experiment to determine if a compound is iron (II) chloride or iron (III) chloride. Then they determine the formula, balance the equation, and answer analysis questions.
Virginia Department of Education
A Crystal Lab
Young chemists grow ionic crystals, metallic crystals, and supersaturated crystals in three different lab experiments. Observing these under a microscope allows pupils to compare the various structures.
Curated OER
Evaporation of Alcohol and Water
Students investigate the process that occurs when liquids evaporaate. They test water and alcohol to determine which substance evaporates more quickly and relate the rate to energy changes.
Curated OER
Trophic Relationships, Cycling of Chemicals, Human Impact on Ecosystems and Conservation
Students explore how the energy flow through a system is related to trophic levels. They investigate how organisms affect the cycling of elements and water through the biosphere. Students participate in lab activities to observe ways...
Science Geek
Equilibrium and Le Chatelier's Principle
Time to shake up the status quo with a presentation that describes Le Chatlier's Principle and has pupils examine situations in which equilibrium is upset. Four examples show different stresses to the reaction and the resulting shift.
National Nanotechnology Infrastructure Network
Lab 1: Nanocatalysts Clean Your Car Emissions
What a big job for such a small particle. Young scientists learn about the role of nanoparticles in catalytic converters for cars. They conduct an experiment to create alginate-MnO2 catalytic spheres.
Curated OER
Technology as a Tool of Science
Students monitor streams, take stream surveys, collect chemical and macro-invertebrate and stream discharge data. Using a digital camera, students observe the percentage of various types of vegetation on the flood plan, riparian area and...
Curated OER
The Breathtaking Nature of the Urban Explosion, Part 4
Pupils explore the respiratory system. They use a computer to monitor the respiratory rate of an individual. They determine residual oxygen levels in exhaled air. Students evaluate how internal 02 and C02 concentrations influence...
Curated OER
Diffusion
Young scholars investigate diffusion using different solutions of chemicals placed in agar dishes. In this diffusion lesson plan, students observe 3 demonstrations of diffusion using perfume, food coloring in water and sugar cubes in...
Curated OER
Chapter 17 Worksheet- Equilibrium
In this equilibrium activity, students answer eleven questions about chemical reactions, equilibrium concentrations and endothermic and exothermic reactions. They write equilibrium expressions for chemical reactions and they explain...
Curated OER
WS 9.2 Equilibrium
In this equilibrium instructional activity, students fill in twenty one blanks with terms related to reactions and equilibrium. They then solve four problems given chemical reactions and determine equilibrium, moles present at...
Curated OER
Ecological Dilemmas in Wetlands
For this ecological dilemmas in wetlands worksheet, students select a topic, use the links to websites for research, describe the topic, explain its impact on wetlands, identify alternatives and decide on possible changes. An...
Curated OER
Introduction to Lumbriculus variegatus
Learners conduct two set experiments on Lumbriculus worms and create a third experiment of their own. The first of the two set experiments allows students to observe regeneration of the worms while the second allows learners to test the...