Showing Results for -word-problems : Page 29

Do different types of oil mix or stack? Find out in this science fair project idea!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Will male or female hair grow faster? Find out in this science fair project idea!

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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!

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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.

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