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Showing Results for dolls around the world : Page 4

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Bouncy Balls

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

The Chemistry of Dyeing Easter Eggs

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

How Solar Energy Heats Liquids of Different Colors

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Design Challenge: Make a Rube Goldberg Machine

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Magnets and Temperature: Does the Temperature of a Magnet Affect its Strength?

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Thirsty Plants 

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Barometric Pressure

This science fair project creates a visual model of what&acirc;s happening to sound waves as a car approaches and then leaves.

How to Create a Visual Doppler

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The Ghost in the Tube

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Pumpkin Investigation

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Fall Party

This science fair project idea experiments with spinning color wheels and optical illusions.

A Trick for the Eyes: Color Wheels and Optical Illusion Tops

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Lactose and Lactase: Exploring Enzymes as Catalysts

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

How to Prevent Erosion

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Energy From Garbage: How to Make Biogas

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Sow Bug and Pill Bug Behavior

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Ocean Food Web

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

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Different Types of Rocks

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Seafloor Spreading Model

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Positive and Negative Geotropism

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Edge Effect

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Potato Chip Science: How Greasy Are Your Potato Chips?

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Desert Food Web

This science fair project idea explores the different properties & interactions of sugar molecules.

Sugar Crystallization

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

The Best Stain Remover for Clothes: Testing Laundry Stain Removal

This science fair project uses paper chromatography to  investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Doing Forensics with Paper Chromatography!

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