Showing Results for three digit and two step word problems : Page 52

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

This experiment investigates whether smell can be used to enhance test subjects' memories.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

Science fair project that cultivates slime mold and monitors the stages of its development.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Science fair project that determines whether moths are attracted to one color of light more than others.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.