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Showing Results for earth-space-science : Page 8

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Best Fertilizer: The Effects of Fertilizer on Plant Growth

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

How Much Sugar?

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Decomposition Rates of Biodegradable Materials

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

The Growth Rate Of Pre-packaged Seeds vs. Seeds From Directly Inside the Fruit or Vegetable 

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

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Cleaning With Lemon Experiment

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Ancient Building Techniques

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

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

How to Make a Weathervane

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Exploring the Movement of Tectonic Plates with S'Mores

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Set Up a Solar System of Kids

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Design Your Own Planet

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

The Gas Guzzler Challenge

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Create a CD Spaceship

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

How Important Are Cats' Whiskers?

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Magma Lamp: What Happens When a Less-Dense Fluid Interacts with a Denser One?

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

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Does Opening A Fruit Up Cause it to Rot Faster?

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Make a Sundial

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

How to Make a Compass

In this design challenge, your child will make a bottle rocket using typical household items.

Design Challenge: Making a Bottle Rocket

Find out whether putting something on top of a plant will inhibit its growth.

Will A Plant Still Grow Even When You Put Something On Top Of It? 

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Soil Electrical Conductivity: Earthy Energy

The goal of this project is to create an exciting topographical map out of dough.

Create a Contour Map

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

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Does Music Help or Distract from Classroom Learning?

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Lung Model

Grow potatoes in a plastic bag&mdash;easy to grow and harvest, and yummy to eat!

How to Grow Potatoes in a Bag

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