Showing Results for three digit and two step word problems : Page 17

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Free science fair project idea examining how different types of water affect plant germination and growth.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

This experiment will explore the possibility of creating an infinite object by hand.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.