Showing Results for comparing-decimal--old

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Teach your child how butter is created by shaking up cream the old-fashioned way.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

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

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

An home science experiment for older students that teaches about the science behind heat.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

This experiment investigates whether the Ranschburg Effect is observed more frequently in older or younger adults.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Encourage your child to jump into sea creature science by creating her own colorful "socktopus" sculpture.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.