Showing Results for three digit and two step word problems : Page 4

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

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!

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

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!

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.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project examines how seeds hitchhike on animals and clothing.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

This science fair project idea determines if the color of light affects the growth of plants.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this activity your child will create their very own marble maze!

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

This science fair project idea explores substances that cause a bubble to last longer.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

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.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.