Energy/food
What unit is used to measure the energy provided by food?
Calories
What is the source of energy that plants use to make their food?
Sunlight
What are the building blocks of all matter?
Atoms
provide 2 exam[please of matter that can not be seen.
Oxygen and Carbon.
When animals eat food, why do they add to their bodies?
Energy and matter
What do plants need in order to gain mass or matter?
Water and air
Which contains mass: energy or matter
Matter
What are the common states of matter found on earth?
Solid, liquid, and gas
Why is the sun important to all ecosystems?
The Sun is the source of all energy used in an ecosystem.
How do decomposers play an important role in an ecosystem?
Decomposers return matter from dead organisms to the environment.
Provivde two examples of matter that cannot be seen.
Oxygen and carbon
What is the purpose of an experiment?
The procedure that is learned to do something.
What is the difference between how plants and animals gain energy?
Plants gain Thier energy from the sunlight while animals must consume/eat other living things to gain energy.
What are the three reasons why an invasive species can thrive in a new ecosystem?
1. They have no predators
2. They consume a variety of native species
3. They grow and reproduce quickly
When the mealworms consume potatoes, what changes in occured?
The mass of the mealworms increased while the mass of the potatoes decreased.
Define cascade effect.
A cascade effect occurs when on change in the environment triggers many other changes.
Put the following food items in order from most energy content to least energy content
Grape, Marshmallow, Peanut, cheese curls
Most energy: Peanut
2.cheese curl
3.marshmallow
Least energy: Grape
Define ecosystem
An ecosystem includes all of the living things ( plants, animals, and organisms ) in a given area interacting with each other, and also with non-living organisms.
Define matter
Anything that has mass and that takes up space.
What does mold produce as it grows?
Carbon dioxide (CO2)