Teach Engineering
Density Column Lab - Part 2
Groups suspend objects within layers of liquids to determine the densities of different liquids and compare them to the densities of objects calculated in Part 1. The groups then carefully test their calculations by layering the liquids...
Curated OER
Parts-Per-Million Concentration Lab
Students develop a comprehension of parts per million as a concept. They work in teams to create successive dilutions of a solution to reach a parts-per-million concentration. Students list what they think the atmosphere is made of. They...
Curated OER
Significant Figures and Measurement
In this science worksheet, students draw several markings on a ruler or graduated cylinder or thermometer to get each of the correct measurements. Then they state what place the marking indicates and the number of significant figures in...
Curated OER
Measuring Matter
Explore various types of measurement with fourth graders. They will practice using balance pans to measure the weight of a coin and a graduated cylinder to determine the displacement volume for a bolt. The metric system will be the focus...
Curated OER
Parts of Lab Report Review Sheet
In this lab report instructional activity, students answer ten questions by filling in a blank with the appropriate letter that corresponds to the part of the lab. Students determine where data goes, where observations go, where answers...
Santa Monica College
Introducing Measurements in the Laboratory
We use basic units of measurement to break down things and communicate clearly. The first lesson in an 11-part series teaches the proper way to measure various items. It starts simply with measuring the dimensions and areas of geometric...
Center Science Education
Paleoclimates and Pollen
Demonstrate for your earth scientists how plant pollen of the past has become part of sedimentary deposits, providing clues about ancient climates. Then give them simulated sediment layer samples to analyze for different types of paper...
Curated OER
Energy for Earth: The Sun
Super science learners examine the sun's production of energy by the process of nuclear fusion. Hands-on activities make this lesson engaging for middle schoolers. The lesson is made up of four parts. Part I is an introduction to the sun...
Science Matters
Forms of Energy
The amount of energy Americans use doubles every 20 years. The first lesson in a 10-part series teaches scholars about different forms of energy. They rotate through five stations with hands-on activities or experiments at each in order...
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...
Science Matters
Eruptions and Volcano Types
The Mammoth Lakes area regularly releases warnings to hikers and skiers to be careful because melting snow releases trapped gases from volcanic vents. The 17th activity in the 20-part series opens with a demonstration of carbon dioxide...
Chicago Botanic Garden
Carbon, Greenhouse Gases, and Climate
Climate models mathematically represent the interactions of the atmosphere, oceans, land, sun, surface, and ice. Part two in the series of four lessons looks at the role greenhouse gases play in keeping Earth warm and has participants...
EngageNY
Getting the Job Done—Speed, Work, and Measurement Units
How do you convert from one measurement to another? Pupils use unit rates to convert measurements from one unit to another in the 21st segment in a 29-part series. They convert within the same system to solve length, capacity, weight,...
Curated OER
Food Safety Lab-Part 3 Cross Contamination andHygiene
High schoolers observe the effect of croos contamination as they inoculate orange juice with penicillin mold from the refrigeration lab and active yeast solution from the sterilization lab. They experience a simulation of passing...
Curated OER
Is It Safe To Go In?
Students examine acceptable levels of toxins in swimming areas. Working in groups of four, students dilute a salt or sugar solution to 1 part per 1,000,000 (ppm) solution. Students taste test their diluted liquids and record at which...
Curated OER
Biocomplexity Lab Activity: Permeability
Students identify how water moves through materials such as rocks or sand. Students measure the permeability of water through glass spheres to represent the movement of water in sand, an aquifer, or another sediment. During the...
Texas State Energy Conservation Office
Nuts! Calculating Thermal Efficiency
Oh nuts! Do macadamias or almonds produce more thermal energy? Energy enthusiasts find out with this experiment. The objective is to demonstrate to your class how the chemical energy contained in foods can be converted into useable...
Curated OER
Determination of the percentage of Acetic Acid in Vinegar
Students determine the concentration of acetic acid when the concentration of the base with which is titrated is known. They investigate how to weigh a sample using the balance, measure volumes using graduated cylinder, explore the...
Curated OER
Control Mechanisms
Students explain how a feedback control system works. They model a feedback control mechanism for controlling water level by observing the flow rate of water in a cylinder. In addition, they graph their data. Script for activity is...
Curated OER
Chemistry Lab: Chemical Equilibrium
Young scholars investigate the effects of adding or removing a reactant or a product on chemical equilibrium. In this equilibrium lesson plan, students add or remove ions to solutions to determine the effects on equilibrium. They make...
Curated OER
What Happens When You Eat?
Students explore digestion. In this Human Body lesson plan, students participate in six different activities pertaining to the Digestive System. Students gain understanding of digestion through experimentation and investigation. Students...
Mr. Hill's Science Website
Density Workbook
It's all about density! Here's a dense workbook for young scientists; they solve (and show work for) 29 density word problems, including a problem where they solve for the density of Godzilla. They complete labs analyzing metal cubes,...
Curated OER
Titration: Standardization of a Base and Analysis of Stomach Antacid Tablets
Titration experiments don't have to give your high schoolers a stomachache. Study the ways to titrate an acide with a base in an engaging science experiment, which involves creating solutions and performing titrations. Pupils prepare a...
Curated OER
Global Change: Where Land, Air and Water Meet
Students discuss the atmosphere as a mixture of gases. In this science lesson, students explore the world's oceans and fresh waters understanding that there are dissolved chemicals. Students realize that many substances dispersed in air...