Category: Chemistry and Physics
-
Children predict and test which objects float or sink in water, recording results and reflecting on their findings.
-
The activity explores buoyancy, demonstrating why some objects float or sink in air and water, using various materials.
-
Not all balloons float; helium and hot air balloons rise because they are lighter than the surrounding air.
-
In daily life, we come across matter in three forms: solid, liquid, and gas. The state of matter partly depends on the temperature of the substance. Liquids like water is the only matter that can exist in all three states of matter. Room Temperature At room temperature, water is a liquid. Freezing When liquid water…
-
What is rotting? Why do things rot? How can we prevent things from rotting? Pee Yew! That’s Rotten! Objective: Observe the rotting process. Materials: Fruit, small dish Procedure: Results:
-
Fire is a reaction between oxygen, and a fuel, such as wood or gas, and it also needs heat to start. Most fires are combustion reactions, which occur when elements like carbon, hydrogen, and oxygen mix and react quickly. There are various types of fires, including wood fires, gas fires, and even metal fires, and…
-
Gravity is a force which pulls us back toward the Earth as we jump. If you trip and fall and scrape your knees, you can blame gravity! Source: Cool Facts