Life Science
What part of the cell is known as the “powerhouse”?
Mitochondria
What planet is known as the Red Planet?
MARS! (Marte)
What force pulls objects toward Earth?
Gravity
Who developed the theory of gravity?
Isaac Newton
What gas do humans need to breathe?
Oxygen
What do plants use to make food from sunlight?
Photosynthesis
What causes day and night on Earth?
Earth’s rotation
What is H₂O commonly called?
Water
Who proposed the theory of evolution by natural selection?
Charles Darwin
What is the largest organ in the human body?
Skin
What body system carries blood through your body?
Circulatory system
What layer of Earth do we live on?
Crust
What type of energy is stored in food?
Chemical energy
Who was the first woman to win a Nobel Prize in science?
Marie Curie
What type of scientist studies rocks?
Geologist
What molecule carries genetic information?
DNA
What is the main gas in Earth’s atmosphere?
Nitrogen
What is the opposite of a conductor?
Insulator
Who invented the first practical light bulb?
Thomas Edison
What’s the fastest land animal?
Cheetah
What process divides body cells into two identical cells?
Mitosis
What do we call molten rock under Earth’s surface?
Magma
Speed = distance ÷ ?
Time
Who proposed the three laws of motion?
Isaac Newton
If Earth’s history were a 24-hour clock, when would humans appear?
In the last few seconds before midnight.