Tumbling is a technique used for smoothing and polishing a rough surface on small particles. Professional rock polishers help jewelers polish stones by imitating the abrasion of rocks in nature. The n ...
Moisture is tricky. It likes to escape out of tiny holes in a process called evaporation. Plastic wrap is supposed to keep food fresh in the fridge. If you have fruit you would like to save, you proba ...
Many products on the market are supposed to enhance the growth of plants. Naturally, each of them claims to be the best. This project might provide the additional insight needed to make wise choices r ...
The objective of this project is to compare the effectiveness of environmentally friendly cleaning products to commercial cleaning products using qualitative and quantitative analysis. The goal is to ...
The goal of this experiment is to discover if soil with more organic material absorbs moisture better than soil with less organic material. Gardens that use the right amount of organic material might ...
In this activity, you’ll create a food pyramid that shows whateats what in the forest. First, you’ll do some research on the plants and animals that live in your area to discover what food pyramids ar ...
When you walk outside on a humid summer day, you can practically feel the moisture hanging in the air. But how can you measure humidity? Believe it or not, you can make your own instrument, called a p ...
This project investigates the relationship between carbon dioxide gas and temperature of the atmosphere. The goals of the project include estimating the average temperature of the atmosphere within a ...
This project serves to acquaint students with the essential processes of sciencing such as the importance of the use of a control, of identifying dependent and independent variables, of data collectio ...
In this “paper and pen” experiment, students will research the difference between standard time and astronomical mean time. Using the longitude of their city, they will calculate the astronomical mean ...