This planet is often called the "Red Planet."
What is Mars?
This blood-pumping organ is essential for the circulatory system.
What is the heart?
This device lets you make calls, take photos, and use the internet from almost anywhere.
What is a smartphone?
This renewable energy source uses moving air to generate electricity.
What is wind energy?
This scientist developed the theory of relativity.
Who is Albert Einstein?
This technology uses satellites to determine your location.
What is GPS?
This process allows plants to make their own food using sunlight.
What is photosynthesis?
These programs and applications run on computers and phones.
What is software?
This type of energy is stored in food and fuels.
What is chemical energy?
This physicist formulated the three laws of motion.
Who is Isaac Newton?
This gas makes up most of the Earth's atmosphere.
What is nitrogen?
Scientists use this instrument to observe cells and tiny organisms.
What is a microscope?
This invention helps people find websites and information online.
What is a search engine?
This is the smallest unit of an element that retains its chemical properties.
What is an atom?
This scientist and chemist won two Nobel Prizes for her work on radioactivity.
Who is Marie Curie?
Scientists use this global network to share information and communicate around the world.
What is the internet?
This is the smallest unit of life.
What is a cell?
This technology creates three-dimensional objects layer by layer.
What is 3D printing?
This state of matter has no fixed shape but has a fixed volume.
What is a liquid?
This scientist is known for his experiments with electricity and flying a kite during a storm.
The force that keeps planets in orbit around the Sun.
What is gravity?
This scientist is famous for discovering penicillin.
Who is Alexander Fleming?
This type of attack attempts to trick people into revealing passwords or personal information.
What is phishing?
This famous law states that energy cannot be created or destroyed, only transformed.
What is the law of conservation of energy?
Graham Bell
Who invented the telephone?