Showing Results for addition practice : Page 3

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

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.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Determine how good we are at direct and indirect observation.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Explore whether pianists have the tendency to type faster than non-pianists.

This project determines what category of person is most likely to be ticklish.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Determine how we can separate the components of a solution

Discover flight initiation distance as you play around in the park with this fun bird watching project!