Organisms
The process that plants use to make food.
What is photosynthesis?
interactions among the living and non-living elements
What is an ecosystem?
Oil, glass, metal, and plastic maintain physical properties when mixed with water.
What materials are insoluble?
The bending of light waves as they pass through one medium to another
What is refraction?
A force that works against motion
What is friction?
spines on a cactus
What is an inherited trait?
A penguin’s fins are shaped like flippers to make swimming easier.
What is inherited traits?
gas changes to a liquid
What is condensation?
The bending of light waves as they pass through one medium to another
What is refraction?
The third planet from the Sun.
What is Earth?
bacteria, mold, mushrooms, and earthworms
What are decomposers?
plants use a mixture of ingredients to make food
What are sunlight, carbon dioxide, and water?
this type of matter allows electricity to pass through
What is a conductor?
Allows electrical energy to move through.
What is a conductor?
Sediment dropped off in a new location.
What is deposition?
organisms that must eat food
consumers
Energy transfers from the Sun to the plant, to the worm, to the mouse and to the hawk.
What is a food chain?
iron filings and sand
What is a mixture?
The force that pulls two objects together
What is magnetism?
Formed by water depositing sediments at the mouth of a river
What is delta?
transfer of energy throughout an ecosystem
What is a food web?
These help organisms to survive in their environment.
What are the physical structures?
whether matter sinks or floats
What is relative density?
energy use by ovens and burning wood
What is thermal energy?
The apparent movement of the Sun across the sky.
What is the rotation?