Science Basics Quiz

Energy and Life

• Primary energy source for life on Earth: The Sun

Water and Chemistry

• Chemical symbol for water: H2O
• pH level of neutral substances like pure water: 7

Human Body and Physiology

• Organ responsible for pumping blood: Heart
• Primary function of red blood cells: Carry oxygen

Simple Machines

• Seesaw classified as a lever

Earth's Atmosphere

• Most abundant gas in Earth's atmosphere: Nitrogen

Basic Units of Life

• Smallest unit of life: Cell
• Organelles: Mitochondrion known as the powerhouse of the cell

Plants and Photosynthesis

• Process by which plants make their own food with sunlight: Photosynthesis

Essential Elements

• Element necessary for bone and teeth formation: Calcium
• Most common element in the universe: Hydrogen

Electricity and Conductors

• Good conductor of electricity: Copper

Diseases and Microbiology

• Disease caused by a virus: Influenza
• Prokaryote example: Bacterium

States of Matter

• Change from liquid to gas: Evaporation

Chemical Reactions

• Substance that speeds up chemical reactions without being consumed: Catalyst
• Type of bond formed when atoms share electrons: Covalent bond

Earth Science

• Earth layer composed mostly of solid iron and nickel: Inner Core

Physics

• Law explaining that every action has an equal and opposite reaction: Newton's Third Law

Astronomy

• Planet known as the "Red Planet": Mars

Test your knowledge on fundamental science concepts including energy sources, human physiology, chemistry, and the properties of matter. This quiz covers a variety of topics essential for understanding the natural world. Dive into questions about photosynthesis, electricity, and microorganisms.