Using common laundry stains of coffee, make up and ketchup I set out to learn which laundry detergent, Tide, Gain or Ultra Laundry Detergent worked the best at cleaning white handkerchiefs.It is an ed ...
Microwave ovens perform dielectric heating, using microwaves stimulated by electricity to heat up dielectric . A dielectric material is one that can be polarized by an applied electric force. Electric ...
Standard deviation is a statistic that tells you how closely a group of numbers (for example, temperatures) are clustered around a mean value (average temperature). When the standard deviation is smal ...
Limestone is composed of tiny shells that fell to the ocean’s floor when sea creatures died. The pressure from other shells, the water and sand washing over them squashes the tiny shells together into ...
Ever notice that a conventional roller coaster never goes higher than its first hill? Roller coasters always have to end lower than where they started because of a fundamental idea called the conserva ...
Hans Christian Oersted was a Danish scientist who explored the relationship between electric current and magnetism. Current is the flow of electrons, and is how we hardness electricity. Currents creat ...
ObjectiveYoung children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.Research QuestionsCan you identify the four basic tastes: swee ...
Test the concentration of dissolved oxygen in the water, when it has oil and without oil.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected ...
Investigate the density of salt water. Will an egg float in salt water?It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. I ...
When it’s hot outside, people drink more water to make up for all the water they sweat out through perspiration. So what do plants do to make up for the water lost through transpiration? Plants need w ...