Showing Results for three digit and two step word problems : Page 9

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

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

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

This science fair project idea demonstrates how our fingers prune when in water.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Science fair project that examines the biodiversity of ant populations in various locations.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

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!

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.