Cells & Organization
Genetics, Evolution & Adaptations
Ecosystems & Relationships
Matter & States of Matter
Atoms, Elements & Chemistry
100

What is the basic unit of life?

What is a cell?

100

What is the passing of traits from parents to offspring called?

What is heredity?

100

What are the living parts of an ecosystem called?

What are biotic factors?

100

What are the four states of matter?

What are solid, liquid, gas, and plasma?

100

What subatomic particle determines the identity of an element?

What is a proton?

200

What organelle is known as the control center of the cell?

What is the nucleus?

200

What scientist developed the theory of evolution by natural selection?

Who is Charles Darwin?

200

What type of symbiosis benefits one organism while harming the other?

What is parasitism?

200

What property measures the amount of space an object takes up

What is volume?

200

What do you call atoms of the same element with different numbers of neutrons?

What are isotopes?

300

What are the four levels of organization in multicellular organisms?

What are cells, tissues, organs, and organ systems?

300

What is a trait that helps an organism survive in its environment called?

What is an adaptation?

300

What organism breaks down dead matter into simpler forms?

What is a decomposer?

300

What change occurs when a liquid turns into a gas?

What is vaporization?

300

What number in a chemical formula tells how many atoms are present?

What is a subscript?

400

What organelle is known as the powerhouse of the cell?

What is the mitochondrion?

400

What term describes similarities in structures due to a common ancestor?

What is homology?

400

What happens when organisms compete for limited resources?

What is competition?

400

What type of property does NOT depend on the amount of matter present?

What is an intensive property?

400

What must be equal on both sides of a balanced chemical equation?

What is the number of atoms of each element?

500

What type of tissue is responsible for movement in the body?

What is muscle tissue?

500

What process controlled by humans involves selectively breeding organisms?

What is artificial selection?

500

What term describes resources like food, water, and space that restrict population growth?

What are limiting resources?

500

What is the amount of mass in a certain volume called?

What is density?

500

What law states matter cannot be created or destroyed in a closed system?

What is the Law of Conservation of Mass?