Can you see satellites in the night sky? He said satellites can be seen during twilight, early evening and really late at night right before morning twilight when satellites in low orbits can be seen. What directions do satellites travel? Passing by. We can actually see satellites passing overhead before dawn and after dusk, as […]
What is the difference between asexual reproduction and mitosis?
What is the difference between asexual reproduction and mitosis? Mitosis happens only in somatic cells of higher organisms; Asexual reproduction occurs in lower single celled organisms. During Mitosis, the genetic material condenses to form chromosomes; the genetic material does not condense during asexual reproduction. Has a virgin birth ever happened in humans? A Human Virgin […]
Is coral a plant or animal?
Is coral a plant or animal? Corals are animals, though, because they do not make their own food, as plants do. Corals have tiny, tentacle-like arms that they use to capture their food from the water and sweep into their inscrutable mouths. What animal live in coral reef? Coral reefs are home to millions of […]
What is heat energy kid definition?
What is heat energy kid definition? Heat energy, also called thermal energy, is the energy an object has because of the movement of its molecules, and heat can be transferred from one object to another object. Heat energy on Earth comes from the sun. What is heat and how is it formed kids? Heat is […]
Does a waterfall freeze from top or bottom?
What can enter and exit a closed system?
What can enter and exit a closed system? A closed system is a type of thermodynamic system where mass is conserved within the boundaries of the system, but energy is allowed to freely enter or exit the system. In chemistry, a closed system is one in which neither reactants nor products can enter or escape, […]
How do you stop a frictionless surface?
How do you stop a frictionless surface? A way to stop yourself on a frictionless surface is to apply a force on another object. The other object will react with an equal and opposite force on you, slowing you down and eventually stopping you. A person left on a frictionless surface wants to get away […]