Ozone is formed from oxygen in the Earth's atmosphere.
What is the name for a large, bowl-shaped depression in the Earth's surface, often caused by the impact of a meteorite?
Which of Newton's laws explains the principle behind rocket propulsion?
In the water cycle, what is the term for the process by which water vapor is released from the surface of leaves into the atmosphere?
What is the principle behind the functioning of a magnifying glass?
Which part of the human brain is responsible for controlling basic bodily functions like breathing and heartbeat?
What is the purpose of the endoskeleton in vertebrates?
What is the term for a sudden and violent shaking of the ground caused by the movement of tectonic plates?
Which of the following is a greenhouse gas?
In the periodic table, which group do alkali metals belong to?
In the water cycle, what is the term for the process by which water droplets form on surfaces as a result of temperature changes?