Showing Results for three digit and two step word problems : Page 2

Slip some science into storm watching with a homemade rain gauge!

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea explores whether talking to a plant will help it grow.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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

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

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

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.

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

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.