Whether an object floats or sinks in water is determined by the ratio of its weight compared to its volume. If an object of a certain volume weighs more than an equal volume of water, it sinks because the water can’t hold it up. If an object weighs less than an equal volume of water, it floats because the water can support its weight.
Archives: Blue Sky
Could we harness energy in space for use on Earth?
When thinking about collecting energy from a source in space, the natural answer is the sun.
How are moons created?
Anything that orbits a planet is a moon, and moons can form in several different ways.
What are bacteria?
Bacteria are amazing single-celled, simple organisms. They’re found everywhere on the planet in all sorts of environments from your gut to the soil to the Arctic and Antarctic.
How do toys affect a baby’s development?
Virtually every theory of child development says that play is crucial to development in every way. It impacts cognitive development, social and emotional development, as well as language development.