Electronegativity is the attraction that an atom has for electrons when combining with another atom. Atoms of different elements may have different electronegativities. Trends in Electronegativity Within the Periodic Table
Origami Fish Models
Ideas for Making Fish Models Fish Pop-Up Book Fish Mobil Making Origami Fish Origami Tips
Insects: Water Striders
What Characteristics Identify Water Striders as Insects? Insects have many different shapes, sizes, and weights. Some, like the water strider in the video, can stand and move across the water from 3 to nearly 5 feet per second. The video is in slow motion. Like all insects, water striders have three pairs of legs and […]
Andrea Gummi Bears -1
Purpose: To identify the variables that might affect a red candy Gummi Bear. Question: What effect does water have on the size of red candy Gummi Bears?Hypothesis: This is an educated prediction. The objective is to encourage kids to analyze the question and no matter the age or science background, good reasonable “guesses” can be […]
Tips for Homeschool Science
Hi, I am Janice VanCleave. My goal is to create homeschool material on my website to provide ideas that will work for you. Many homeschoolers ask for ideas to expand experiments. In response to this, I have designed teaching tips that can be adapted to even the simplest experiment. But, these are just my ideas […]
What Do Earthworms Eat
Foods to Feed Earthworms in a Compost Bin A worm’s diet is based off of where they live and if they are surface worms or they live deep under the ground. Worms that are generally near the surface of the dirt can eat anything from dead leaves to cardboard all the way to melon rinds […]
The Blooming of a Paper Flower
Introduction to the Science At Home Series: Project 1: Fun With Water Investigation: The Blooming of a Paper Flower Andrea Roseman, a homeschooling mom with two lovely children, tested this experiment and posted comments on her website, WhatEverPhilippians48. Andrea and I exchanged ideas and with her approval, I have included her hints, clues, and suggestions to […]
Water Absorbing Chemical in Disposable Diapers
Why is it dangerous for a child to swim in a disposable diaper? Disposable diapers are able to hold so much water that the weight of the water soaked diaper could cause the child to fall. Thus, disposable diapers should not be worn when a child is in water. Why Diapers Absorb Large Amounts of […]
The Melting and Freezing of Water
How Can Water Freeze and Melt at the Same Temperature? The freezing/melting point of water is OºC. But it is not an instantaneous physical change. Instead, both liquid water and ice can be present at OºC. At this temperature, there is a constant exchange of water molecules between the ice and liquid water as shown […]
How Paper Absorbs Water
How Does Water Move Through Paper? Paper is made of plant fibers. In the process of making paper, the fibers overlap forming a massive network of tunnels in all directions throughout the paper. The chemical molecules making up the fibers are attractive to water water molecules. Adhesion is the name of the force of attraction […]
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