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Showing Results for science expanders : Page 4

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Salinity and Hatching Brine Shrimp Eggs

Practice converting units of measurement in this all-in-one unit conversion worksheet.

Converting Units of Measurement

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Does Storage Temperature Affect Orange Juice's Acidity?

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Bake Chocolate Volcano Cupcakes!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Factors Affecting Solubility

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Make an Electrical Zapper

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Which Cup Best Prevents Ice from Melting?

Solve volume-based word problems with this third-grade math worksheet!

Measurement Word Problems: Liquid Volume

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Catalase and Hydrogen Peroxide Experiment

In this fun experiment, we'll find out how color affects heat absorption!

Which Color Absorbs the Most Heat?

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Does Hot Water Freeze Faster Than Cold Water?

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Homemade Thermometer

Discover whether a metal will expand under hot water.

Does Water Temperature Cause Metal to Expand and Contract? 

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Homemade Barometer

How powerful is the reaction between baking soda and vinegar? Find out here!

Baking Soda and Vinegar Balloon

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Make Ice Cream in a Baggie!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Heat Conduction

This simple experiment serves as an introduction to the greenhouse effect.

Observe the Greenhouse Effect in a Jar

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Indoor Gardening with Kitchen Waste

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Passive Solar Heating

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Cooling Food: Microwave vs. Oven

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Cast Iron Pans Versus Regular Teflon Pans

Discover whether cold or hot water from the faucet will boil faster on the stove.

Does Hot Water Boil Faster Than Cold?

Discover how and which salt melts ice the quickest.

Salt Melting Ice

Help your fourth grade scientist practice measurement, and make a scrumptious, healthy summer cheesecake in the process!

Healthy Cheesecake

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

How Old is That Tree?

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Keep a Candle Burning Underwater!

Help your class gain a foundational understanding of matter by learning how to conduct inquiry and gain an understanding about the characteristics of gases. This lab will have your students amazed at what is really in the air. 


You Can't See Me!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

3-D Model of the Sun

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Make Your Own Marshmallows

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