American Chemical Society
Dissolving Different Liquids in Water
Not many youngsters realize that solids aren't the only materials that can possibly be dissolved in water. During this investigation, they find out that some liquids can dissolve in water as well. This is part of a unit on solubility,...
American Chemical Society
Temperature Affects Dissolving
Stir chocolate drink mix into hot and cold water to see if there is a difference in how quickly it dissolves. Number three in a six-lesson unit on dissolving, this installment investigates the effect of temperature. If you consult the...
American Chemical Society
Dissolving a Substance in Different Liquids
Second of six lessons in a unit on dissolving, this one focuses on how sugar behaves in different liquids. Learners stir it into water, alcohol, and oil and make observations. This lesson can stand alone, but is best used as part of the...
American Chemical Society
Defining Dissolving
Physical science investigators mix sugar and food coloring into different cups of water and cooking oil to compare how the solid and liquid behave in each. As the introduction to this unit on dissolving, it is relevant.
American Chemical Society
Using the Combining Test to Identify Unknown Liquids
Once investigators have learned how their mystery liquids interact with water during the preceding activity, they now use their observations to identify them. This is an ideal conclusion to the mini unit on the properties of water.
American Chemical Society
Using Color to See How Liquids Combine
Blue-tinted water is added to unknown liquids that have been tinted yellow to find out how they interact. This is a memorable activity that is part of an investigation on the properties of liquids, which is part of a unit on the...
American Chemical Society
Recrystallization Test
Crystallize the answer to the question that has been investigated since the first of four lessons: What is the unknown crystal? Pupils have examined, crushed, and dissolved four samples plus an unknown as an exploration of the properties...
American Chemical Society
Curious Crystals
Crystals are more than meets the eye! Can learners tell them apart simply by observation? As they examine five samples with a magnifier, they find that appearance alone is not enough. This serves as an introduction to a mini unit on...
American Chemical Society
Mysterious M&M's
The first in a six-lesson mini unit, all using M&Ms® candies, this physical science activity gets kids to observe a single piece and discover what happens when it is placed in a plate of water. The activity can be used to introduce...
Exploratorium
Disappearing Act
Crafty critters are camouflaged to escape predators, and crafty science pupils can construct a camouflage demonstration. They work with a partner to show that as a camouflaged animal moves, it becomes more visible.
Berkshire Museum
Where’s the Water?: Acting Out Science Cycles
Young scientists transform themselves into rivers, oceans, clouds, and drops of water in order to explore the water cycle. After assigning and explaining to students their different roles in the activity, the teacher reads aloud a...
Institute of Electrical and Electronics Engineers
Popsicle Bridge
Using popsicle sticks and glue, groups must work together to design and build a bridge that can support weight and is aesthetically pleasing. The lesson begins by learners reading about different features of bridge architecture, followed...
Institute of Electrical and Electronics Engineers
Assembly Line
Working under specific constraints and with designated criteria, groups work together to create a product using an assembly line process. In addition, they work through the entire engineering design process with an excellent graphic to...
Institute of Electrical and Electronics Engineers
Interactive Gumball Machine
Sure, you may be able to build a better mousetrap, but what about a gum dispenser? In a fun engineering challenge, teams must design and build a working interactive gumball machine with specific constraints and criteria.
Institute of Electrical and Electronics Engineers
The Power of Graphene
To prepare for the activity, STEM classes read about nanotechnology and the amazing properties of graphene. They collect a graphene sample from pencils, and then connect them into simple circuits to determine whether it makes a better...
Institute of Electrical and Electronics Engineers
Try Your Hand at Nano
Fascinating reading about nanotechnology, nanoscale properties, and liquid crystals precedes a fun activity for young engineers. They measure their hands in nanometers, research, and then investigate how heat effects a sheet containing...
Curated OER
Riding on a Pendulum
A comprehensive resource gets fourth grade physical scientists making observations about the period of a pendulum and then applying knowledge to a playground swing. Through seven different stations, they will record observations and...
Institute of Electrical and Electronics Engineers
Statue Display Tower
Sometimes engineering problems that seem easy prove to be more challenging than imagined. Present your class with the challenge to build a functional display tower to support a statue using only the supplies available in class while...
Institute of Electrical and Electronics Engineers
Water Tower Challenge
Providing clean water to a town is quite a feat... is your class up for the challenge? After a short reading about water towers, groups work together to design a working water delivery system. The water flow must be adjustable (able to...
Institute of Electrical and Electronics Engineers
Tall Tower Challenge
A fun and challenging activity for nearly any age group, partners must work together to build the tallest structure possible using paper clips, straws, and pipe cleaners. In addition to being tall, the structure must also be able to...
Curated OER
Clouds
Incorporate art and poetry into an early elementary science lesson about cloud formation. With fun and engaging activities that follow a natural learning progression, youngsters will develop key vocabulary and conceptual understanding...
University of Wisconsin
Measuring Slope for Rain Gardens
The slope of the land is an important feature when considering the erosion that will occur. In this resource, which is part of a rain garden unit, learners calculate the slope of the proposed garden site. Even if you are not planning a...
Curated OER
My Weather Station
A printable weather station that will blow you away, this includes tools that little meteorologists can use to display their observations of daily weather conditions. There is a gauge where they can slide a pointer to show the...
Staten Island Zoo
The African Savanna
Are you thinking about taking your class to the local zoo? Kids of all ages love visiting exotic animals in order to learn about biodiversity, habitat, and animal adaptations. Here is a 44-page activity guide that provides educators with...