How does lemon juice stop apples from browning? http://scienceprojectideasforkids.com/2015/the-chemistry-of-fruit-browning/ … [Read more...]
#1 Science Magic: No Leak Plastic Bag
Amaze Kids with Science Magic. 1. Fill a quart zip-lock plastic bag about half-full with tap water. 2. Zip the bag closed. 3. Support the bag with one hand as you piece it with the sharpened end of … [Read more...]
Why Boats Float
Buoyancy is the ability of an object to float in a fluid (liquid or gas) An objects floats when in water if the buoyancy force of the water pushing the object up is greater than the force of gravity … [Read more...]
What is Torque?
Torque Objects that rotate experience torque. Objects that rotate turn around some fixed point. When measuring torque, the point of rotation is called the pivot point. Torque is the product … [Read more...]
What is a solid?
Physical Properties of Solids The two types of solids are crystalline solids and amorphous solids. Crystalline Solids The atoms of crystalline solids are tightly bound together in a regular geometric … [Read more...]
What are atoms?
Atoms are the building blocks of matter. Each atom of an element is neutral. Being neutral means there is no net charge. Atoms have equal numbers of protons and electrons. The positively charged … [Read more...]
Rotation: Paper Helicopter
Things that rotate turn around a center point. Rotate means to turn around a fixed center point or axis; Two dimensional objects, such as the CD shown, rotate around a stationary center point; … [Read more...]
Biome: Desert
Biomes are geographical regions identified by their dominant plants, their animals, and a particular climate. A desert is a biome that most people think of as hot and arid (extremely dry), such … [Read more...]
Flower Parts for Reproduction
Flower: Male and Female Parts Male Flower Parts Stamens are the male parts of a flower. Each stamen is made up of an anther and a filament. Anthers are … [Read more...]
How Butter Is Made: At Home
Secret Tips for Making Homemade Butter I have made many pounds of homemade butter, but I never used an old fashion churn. My mother-in-law made butter by shaking cream in a gallon jar. I … [Read more...]
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