Showing Results for compare with same denominators 2 : Page 15

This science fair experiment examines the relationship between gender, age, and smiling.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea investigates whether plants can survive being frozen.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

In this fun experiment, we'll find out how color affects heat absorption!

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.