Showing Results for compare with same denominators 2 : Page 16

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Determine which metal has the highest rate of conductivity.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

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

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.