Chymist
The Extraction and Identification of Artificial Food Colors
Did you know some food dyes are considered safe while others are considered carcinogenic? During the experiment, young chemists extract artificial food colors from prepared foods. Then, they use chromatography paper to identify...
Royal Society of Chemistry
Investigating Temperature Changes on Evaporating Liquids—Microscale Chemistry
Is there more to evaporation than just less liquid? Show young scientists the energy transformation that occurs during a phase change through a series of simple experiments. Lab partners place drops of water, ethanol, and ethoxyethane on...
Curated OER
Measurement and Safety
In this measurement and safety activity, students find the terms in a word search puzzle for 13 statements about the SI units of measurement, the prefixes for the units and measurements of mass, length, and volume. They answer 2...
Curated OER
Safety Rules
In this science worksheet, middle schoolers examine the topic in order to solidify knowledge covered in the curriculum using puzzles and creative games.
Curated OER
More on Conduction and Convection
Why do some items feel colder when they are the same temperature? How should you keep your soda cold? What makes the wind blow? These are just some of the things middle schoolers discover when completing a lesson on...
University of Georgia
Monohybrid Crosses and The Punnett Square Lesson Plan
Looking for a quick, hands-on activity to teach young scientists about Punnett squares through monohybrid crosses? then check out this one.
National Nanotechnology Infrastructure Network
Lines on Paper - Laser Box
See what you cannot see by getting a little creative. An intriguing lesson has learners use lasers to explore X-ray diffraction. Given a box with unknown structures, they shine a laser through the box and interpret the results....
Chymist
Alum from Waste Aluminum Cans
Turn aluminum cans into pickles! An engaging experiment has learners chemically change aluminum into a substance with many purposes including the manufacture of pickles. After performing the chemical conversion, the experimenters verify...
Chymist
Tritration: Standardization of a Base and Analysis of Stomach Antacid Tablets
Do antacid tablets really do what they claim? An experimental lesson attempts to answer this question. Individuals practice the process of titration during the first part of the experiment. They then use those skills to neutralize an...
National Renewable Energy Laboratory
Biomass: Biogas Generator
It's a gas. Middle schoolers build a biogas generator following the directions in this resource. After a few days of observation, they demonstrate that the gas given off by the decomposing manure is flammable. The activity concludes as...
Curated OER
Lab Safety
In this lab safety activity, students use an illustration of students in a lab classroom to complete 10 short answer questions about what they see as safe and unsafe lab procedures.
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...
Curated OER
Fuel Cell Experimentation
With rising oil prices and increasing concerns over global warming, the pressure is on for engineers to develop alternative sources of energy. Among the new technologies being developed are hydrogen fuel cells, which young scientists...
Curated OER
Nutrient Analysis Lab
In this nutrient analysis lab worksheet, learners perform several experiments in a lab setting. Students test products for carbohydrates (monosaccharides and polysaccharides), proteins, lipids, and starches.
Curated OER
Lab Safety
In this safety worksheet, students read about lab safety including safety equipment and procedures. Students learn about reading chemical labels and the MSDS. This worksheet has 14 matching and 13 short answer questions.
Curated OER
2003 U.S. National Chemistry Olympiad Part III
In this chemistry Olympiad worksheet, pupils are given 2 lab problems to work on. They must explain their experiment they would carry out, show their data and write their results and conclusions of the lab and the process.
Royal Society of Chemistry
Organic Molecules Day—Chemistry Outreach
In search of an organic lab that employs real-life techniques and analysis methods? Groups carry out the nitration of methyl benzoate, then attempt to determine the number and location of the nitro groups added to the benzene ring....
Royal Society of Chemistry
Electrochromic Polymer—Chemistry Outreach
From windows that tint themselves to OLED technology, electrochromic polymers are redefining our ideas about conducting materials! Introduce your chemistry class to the emerging trend with an exciting lab activity. Budding materials...
Curated OER
Fiber Identification
Lab sheets for three different crime scene investigation activities are tucked into this resource. In the first activity, inquisitors examine a variety of fibers, including the fiber found at "the crime scene," under ultraviolet light....
Texas State Energy Conservation Office
Investigation: Insulation
Youngsters compare the heat-holding abilities of three different cans by insulating two with different materials and measuring the temperature change of hot water over a 20-minute period.
Curated OER
Safety Procedures Lab
In this safety procedures activity, learners answer questions about eye safety, broken glass safety, lab area safety, chemical safety, fire safety and chemical disposal safety.
Curated OER
Chemistry Review
In this chemistry review worksheet, students identify chemical changes, isotopes, ions, and chemical bonds. This worksheet has 32 multiple choice questions.
Curated OER
The Three Phases of Matter
To study the phases of matter, students complete an experiment including water and corn starch and answer six short answer questions about the states of matter the observed.
Curated OER
Scientific Methods in Biology
In this scientific methods worksheet, students will review the steps necessary in testing a hypothesis including the types of reasoning and variables involved. This worksheet has 6 terms in a crossword puzzle and 4 fill in the blank...