Biology
Chemistry
Physics
Environmental Science
Science History
100

 What is the basic unit of life in all living organisms?

The cell!

100

What is the chemical symbol for water?

H₂O

100

What is the unit of force in the International System of Units (SI)?

Newton (N)

100

What is the primary source of energy for the Earth’s climate system?

The Sun 🌞

100

Who is known as the father of modern physics for formulating the laws of motion and universal gravitation?

Isaac Newton🍎

200

What is the process by which plants convert sunlight into chemical energy?

Photosynthesis

200

What is the most abundant gas in Earth’s atmosphere?

Nitrogen

200

 What law states that an object at rest will stay at rest, and an object in motion will stay in motion unless acted upon by an external force?

Newton’s First Law of Motion

200

What term describes the variety of life in a particular habitat or ecosystem?

Biodiversity

200

What scientist is credited with developing the theory of evolution by natural selection?

Charles Darwin

300

What is the term for the movement of water across a semipermeable membrane?

Osmosis

300

What is the name of the law that relates the pressure, volume, and temperature of an ideal gas?

The Ideal Gas Law

300

What is the theoretical temperature at which all particle motion stops, known as absolute zero?

0 Kelvin

300

What is the name of the layer of the atmosphere that contains the ozone layer?

The Stratosphere

300

Who discovered the structure of the DNA double helix in 1953?

James Watson and Francis Crick (with significant contributions from Rosalind Franklin).



400

What is the term for a segment of DNA that contains the instructions for producing a protein?

Gene

400

What is the molecular geometry of methane (CH₄)?

Tetrahedral

400

What phenomenon causes light to bend as it passes through different mediums?

Refraction

400

What environmental process involves the gradual accumulation of toxic substances in the food chain?

Biomagnification

400

What 20th-century physicist developed the general theory of relativity?

Albert Einstein

500

What is the name of the process in which RNA is synthesized from a DNA template?

Transcription

500

What is the process by which ionic compounds are broken down into their constituent ions when dissolved in water?

Dissociation

500

What is the formula for calculating kinetic energy?

KE = ½mv²

500

What is the term for the process by which nitrogen is converted between its various chemical forms in the environment?

The Nitrogen Cycle.

500

Who is considered the first woman to win a Nobel Prize and discovered the elements polonium and radium?

Marie Curie