science ks3
What is the smallest unit of matter?
Atom
What is the process by which plants make their own food?
Photosynthesis
Which planet is known as the 'Red Planet'?
Mars
What is the primary function of the respiratory system?
Breathing
Which process involves the conversion of a solid directly into a gas without passing through the liquid state?
Sublimation
What is an example of a renewable energy source?
Solar power
What is the chemical symbol for gold?
Au
Which force keeps objects on the surface of the Earth?
Gravity
What is the speed of light in a vacuum?
299,792,458 meters per second
Which organ produces insulin in the human body?
Pancreas