Chemistry
Electricity
Space
Ecology
Mystery
100

What theory states that all matter is made up of tiny particles that are always in motion?

What is 'Particle Theory of Matter'?

100

What is the term for the continuous flow of electric charge through a conductor?

What is 'Current'?

100

What is the name of the star at the center of our solar system that provides energy to Earth?

What is 'The Sun'?

100

What term describes a community of living organisms interacting with their non-living environment?

What is 'An Ecosystem'?

100

True or False: According to the PDF, the particles in a substance attract each other.

True
200

What type of mixture consists of two or more types of particles that are not chemically combined and has only one visible phase?

What is 'Homogeneous Mixture'?

200

Which negatively charged subatomic particle moves to create an electric current?

What is 'Electron'?

200

What term describes the circular or elliptical path an object takes around another object in space?

What is 'An Orbit'?
200

What are the living components of an ecosystem (such as plants and animals) called?

What is 'Biotic Factors'?

200

Is melting ice into water an example of a physical change or a chemical change?

Physical Change

300

What is defined as a characteristic of a substance that describes how it reacts with other substances?

What is 'Chemical Property'?

300

What type of electrical circuit has only one single path for the current to flow?

What is 'Series Circuit'?

300

What is the name of our home galaxy that contains billions of stars and solar systems?

What is 'The Milky Way'?

300

What are the non-living components of an ecosystem (such as water, sunlight, and soil) called?

What is 'Abiotic Factors'?

300

What classification of matter is defined as a substance made up of two or more different atoms?

A Compound

400

Flammability, reactivity, acidity, toxicity, radioactivity, and oxidation are all examples of what kind of properties?

Chemical Properties

400

What component or property in an electrical circuit opposes or slows down the flow of current?

What is 'Resistance'?

400

Which planet is the closest to the Sun in our solar system?

What is 'Mercury'?

400

What organisms make their own food using sunlight through the process of photosynthesis?

What is 'Producers'?

(Also known as Autotrophs)

400

What type of property describes characteristics involving only numbers and/or measurements?

Quantitative Property

500

What three specific subatomic particles make up an atom?

What is 'Electrons, Neutrons, and Protons'?

500

What is the formula for Ohm's Law?

What is 'V=IR'
500

What invisible force keeps planets and moons held in their respective orbits?

What is 'Gravity'?

500

What is the primary ultimate source of energy for almost all ecological food chains on Earth?

What is 'The Sun'?

500

What type of mixture consists of two or more particles not chemically combined and has multiple visible phases?

Heterogeneous Mixture