Week 2: Intro to Matter and Energy (1)

Fill in the blank: __________ is a community of living organisms and their physical environment, interacting as a system.

• Ecosystem

• Atom

• Molecule

• Continent

Fill in the blank: __________ is anything that has mass and takes up space; includes solids, liquids, and gases.

• Matter

• Energy

• Light

• Sound

Fill in the blank: __________ is the ability to do work or cause change; can exist in various forms such as light, heat, and electricity.

• Energy

• Matter

• Force

• Mass

Fill in the blank: __________ is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

• Photosynthesis

• Respiration

• Transpiration

• Fermentation

Fill in the blank: __________ is an organism that breaks down dead or decaying organic material, returning nutrients to the soil.

• Decomposer

• Producer

• Consumer

• Herbivore

Fill in the blank: __________ is an organism, usually a plant, that can make its own food through photosynthesis.

• Producer

• Consumer

• Decomposer

• Scavenger

Fill in the blank: __________ is an organism that obtains energy by feeding on other organisms; includes herbivores, carnivores, and omnivores.

• Consumer

• Producer

• Decomposer

• Autotroph

Fill in the blank: __________ is a sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

• Food Chain

• Water Cycle

• Rock Formation

• Weather Pattern

Fill in the blank: __________ is a substance that provides essential nourishment for growth and maintenance of life.

• Nutrient

• Solvent

• Enzyme

• Hormone

Fill in the blank: __________ is the variety of different species of plants, animals, and microorganisms in a given area or ecosystem.

• Biodiversity

• Photosynthesis

• Ecosystem

• Habitat