Pine cones, fir cones, spruce cones: if you live in a cool climate, you’ll see these seed-bearing structures all over the parks and the roads.Why do trees make cones? They’re the places where trees ma ...
Demonstrate that light travels in straight lines. Experiment with reflecting light.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to th ...
Have you ever noticed how the Sun moves across the sky during the day? It rises in the East and reaches its highest point in the sky around lunchtime. Then, it descends, setting in the West. Although ...
This project determines whether the darkness of a closed refrigerator helps prevent food from spoiling.It is an educational content by education.com.By clicking on the title of this resource, you will ...
Rocks are not only changed by water, wind, and ice but can also be changed by chemicals. Chemical weathering is the process by which the actual minerals that rocks are made of are changed. Chemical we ...
This experiment is done in three steps. First you'll want to see if shading your "house" will keep it cooler. Then you'll want to see if painting the "house" different colors outside affects the tempe ...
Both your sense of smell and sense of taste detect chemicals. Your tongue is covered with about 10,000 taste buds, which detect five different kinds of tastes: salty, bitter, sweet, sour and umami. Um ...
When you hear the term “chemical reaction”, you might think of scientists in white lab coats mixing dark powders to create explosions. Maybe you think of the flurry of bubbles you saw when you mixed b ...
Air pressure is the amount of air being forced against a surface. It's the reason why planes, birds and insects fly. It's the reason why balloons and bubbles float. In this project we find surprising ...
Students will learn about circadian rhythms. Library research will show many biological activities that occur on a 24 hour clock. Experimental research will show the circadian rhythms of exercise in s ...