Curated OER
Rate of Solution Lab
In this rate of solution worksheet, students determine how quickly a solute dissolves in a solvent by testing one independent variable such as temperature, particle size or the amount of stirring. Students design their experiments and...
Curated OER
Ecological Succession in Pond Water Cultures
Students collect samples of pond water, dried grass, and soil in a jar. They predict the order of ecological succession in their pond water cultures. They compare their expected results with their observed results.
Curated OER
Experiments in Nanotechnology: Ferrofluids
Students explore the world of nanotechnology by synthesizing ferrofluids in a series of chemical reactions. In small groups, they follow the procedure to create the ferrofluids using precise measuring techniques. They test the resulting...
Curated OER
Plant Life in Action
Sixth graders examine various habitats and record the living creatures they found. In this biodiversity lesson, 6th graders complete a worksheet recording their observations. Students draw conclusions about the climate and its effect on...
Curated OER
Relationships and Biodiversity Lab
In this relationships and biodiversity worksheet, learners investigate the relationships between 4 plants sample using 7 different tests. These include looking at structural characteristics of the plants, seeds and stems, using paper...
Curated OER
Enzyme Labs Using Jello
High schoolers test for the presence of enzymes in fruit and the specificity of those enzymes, as well as to identify and show the susceptibility of enzymes to certain environmental factors (temperature and pH) originating in the...
Curated OER
Measuring Calories in Food
Students measure the amount of calories in food. In this food energy instructional activity, students discuss what a calorie is, how our bodies use a calorie, and how many we need. Then, students use a calorimeter to calculate the amount...
Curated OER
Applied Science - Technology (5A) Lab
Fifth graders explore electromagnetic waves and light. For this light lesson, 5th graders draw the parts of a wave of the electromagnetic spectrum. They compare a flashlight to a laser to see how the light looks when shined through...
Curated OER
Mystery Powder Lab
In this mystery powder worksheet, students determine the identify of 6 unknown samples by testing them with cabbage juice for pH, vinegar, iodine for starch and heat. Students determine the identity of the mystery powders using their...
Curated OER
Ionic vs. Covalent Compounds Lab
In this ionic and covalent compound activity, learners investigate the properties of three unknown substances in order to determine if they are ionic or covalent compounds. They write conclusions about their results.
Curated OER
Dissolved Oxygen in an Aquatic Ecosystem
Students explain why dissolved oxygen is important in aquatic ecosystems. They evaluate the optimal dissolved oxygen levels for living organisms.
Curated OER
Simulating the Greenhouse Effect in a Terrarium
Young scholars identify what factors effect global warming and how the greenhouse effect occurs. In this environmental lesson students view videos then complete an experiment using a terrarium to observe greenhouse gas.
Curated OER
All About Safety
Students create a safety podcast. In this safety lesson, students in a robotics lab are introduced to the safety rules for each station. They create a podcast about one station explaining the rules with video, graphics, voice and sound...
Teach Engineering
Earthquakes Living Lab: The Theory of Plate Tectonics
Find out if your class agrees with Ice Age: Continental Drift ... or if it's just a fun family movie! Class members research the theory of continental drift, examine evidence of plate tectonics, connect this information to engineering,...
Teach Engineering
Cell Membrane Experimental Design
Grandma said to gargle with salt water for a sore throat. Was she right? In the last part of the seven-part unit, lab groups design an experiment to test a cells reaction to salt solutions. The pupils conduct their experiment to answer...
Curated OER
Lab Activity: Model of the Planets
This worksheet leads the class through the calculations needed to construct circles to represent the planets of our Solar System. The actual values are provided, as are suggested calculations to create the scale diameters. The ten...
Purdue University
Can You Design a Hot or Cold Pack?
You're getting warmer. Groups conduct an experiment to determine which of four chemicals are in hot/cold packs. They learn about exothermic and endothermic reactions and use this knowledge to design a hot/cold pack that is small enough...
Curated OER
Lab Safety
Students investigate the concept of lab safety using a variety of different activities. The equipment necessary is covered. They draw the different types of lab tools using a graphic organizer.
Curated OER
Safety Equipment Map
In this safety worksheet, students create a map of their science laboratory at school in order to know where the safety equipment is located in case of an emergency. They identify the given safety features on their map.
Curated OER
Applied Science - Science and Math Lab
Although it was written to use in a science class, this measurement lesson is adaptable to Common Core standards in math for measurement and data. Youngsters are introduced to two types of measurement systems. They use both the English...
Curated OER
Solar Kit Lesson #15 - Solar-Powered Electrolysis of Water and the Hydrogen Economy
An outstanding lesson awaits your physics fledglings! After reading about how hydrogen can act as an energy carrier, they examine the electrolysis of water using solar power. They test the gases produced for flammability and will...
Curated OER
2006 U.S. National Chemistry Olympiad Part III
For this chemistry Olympiad lab worksheet, high schoolers are given two lab problems to design experiments. Topics include determining the mass percentage of a given compound and determining an unknown metal using quantitative and...
Curated OER
Condensation Polymerization: Preparation of Thiokoll® (Polysulfide Rubber)
This lab activity is geared toward experienced chemistry learners, in particular, those who are familiar with organic chemistry. They will create a synthetic elastomer and then make observations and measurements of its different...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part III
Two laboratory problems are put forth for chemistry students. They are to plan and carry out an experiment that will answer each of the questions. The first asks them to investigate a relationship between the surface area of a potato and...