A place where abiotic factors and biotic factors interact with one another.
What is an ecosystem?
The process by which green plants make their own food.
What is photosynthesis?
The number of waves that pass by a point each second.
What is frequency?
The state of matter that has definite shape and volume.
What is solid?
Pure substances found on the periodic table.
What are elements?
Another name for nonliving things.
What are abiotic factors?
Plants need this from the air in order for photosynthesis to happen.
What is carbon dioxide?
The height of a wave.
What is amplitude?
The smallest unit of an element that shares the properties of that element.
What is an atom?
When an object is less dense than water.
What is it will float?
Anything that makes it more difficult for a species to live and grow.
What is a limiting factor?
Producers take this from the soil through their roots to make their food.
What is oxygen?
A substance through which a wave can travel.
What is a medium?
Mass is measured in this unit.
What are grams?
This is a universal solvent.
What is water?
Bacteria and fungi that feed (breakdown) dead matter.
What are decomposers?
During photosynthesis sunlight is absorbed and trapped by this chemical.
What is chlorophyll?
Waves in which the particles move in an up and down motion.
What are transverse waves?
Density depends on these two factors.
What are mass and volume?
If the size of an object changes, this property changes.
What is the volume?
Arrows in a food chain or food web represent this.
What is the direction energy moves.
During photosynthesis, green plants make this sugar.
What is glucose?
A travelling form of energy throughout matter and space.
What is a disturbance?
The formula for calculating density.
What is mass/volume?
The 3 units producers need for photosynthesis to happen.
What are carbon dioxide, water, and sunlight?