Study Guide

Quick meanings for every word. Pair Tier 3 words with pictures to support newcomers.

Word	Meaning
Energy	Energy helps things move, grow, and change. Energy is not lost. Energy changes form.
Biomass	Biomass is energy stored in living things.
Bromothymol Blue Solution	This solution changes color. It shows carbon dioxide in the air.
Chlorophyll	Chlorophyll traps light energy.
Chloroplasts	Chloroplasts change light energy into food energy.
Guard Cells	Guard cells control air movement. This helps energy processes.
Indicator	An indicator shows change. It changes color.
Mitochondria	Mitochondria release energy from food.
Photosynthesis	Plants change light energy into food energy.
Cellular Respiration	Cells change food energy into usable energy.
Sustainability	Sustainability means using energy wisely. So energy lasts.
Stomata	Stomata let gases move in and out. This helps energy changes.
Yeast	Yeast is a living organism. It releases energy from sugar.
Abiotic	Abiotic means nonliving energy sources. Sunlight and water.
Aquatic	Aquatic environments store energy in water systems.
Biome	A biome shows how energy moves in a region.
Biotic	Biotic things use and transfer energy.
Carrying Capacity	Carrying capacity depends on available energy.
Climate	Climate controls how much energy an area gets.
Ecosystem	An ecosystem shows energy moving between living and nonliving parts.
Habitat	A habitat provides energy resources.
Limiting Factor	A limiting factor restricts energy availability.
Organism	An organism uses energy to survive.
Precipitation	Precipitation affects energy and resources.
Radiation	Radiation is energy from the Sun.
Resource	A resource provides energy or materials.
Taiga	The taiga has limited energy from sunlight.
Temperate Forest	Temperate forests receive medium energy.
Tundra	The tundra has very low energy input.
Topography	Topography affects how energy moves.
Tropical Forest	Tropical forests receive high energy from the Sun.