Showing Results for addition practice : Page 14

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

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

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

Show your preschooler how to create a simple windsock using a colorful piece of tissue paper, a pipe cleaner, and yarn.