Showing Results for three digit and two step word problems : Page 8

Determine how we can separate the components of a solution

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

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.

Make this easy composting dessert and then enjoy the yummy results!

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

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

This project determines how much the rebound rates of tennis balls change after ten games.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project that tests whether cats have a preference for organic food.

The objective of this science project is to determine the length of time for different seeds to germinate.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

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

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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.

Determine if left-handed people have faster response times.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.