Chemistry
What happens to atoms during a chemical reaction?
What is: They get rearranged to form a new substance.
What is the main source of energy on Earth?
What is: The sun
What gas to plants take in during photosynthesis?
What is: Carbon dioxide?
What role do decomposers play?
What is: They break down dead organisms.
Name 3 natural resources we can find IN the ground.
What is: Natural gas, (crude) oil and coal
What is the smallest unit of an element?
What is: An atom
A food chain shows
What is: How energy moves through organisms.
Why are fossil fuels considered nonrenewable?
What is: They cannot be replaced fast enough
Which particle has a negative charge?
What is: An electron?
In a food web, producers are always found at the ____ of the food web.
What is: at the bottom.
Energy cannot be created or destroyed. This idea is called:
What is: The Law of Conservation of Mass.
During photosynthesis, plants use carbon dioxide, water, and sunlight to produce:
What is: Oxygen and glucose
Which level of a food chain has the most energy?
What is: A producer.