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- 1. Multiple Choice
Which correctly describes the smallest amount of an element?
Atom
Molecule
Compound
Proton
- 2. Multiple Choice
How would H2O be classified? Check all that apply.
Atom
Molecule
Compound
- 3. Multiple Choice
How would O2 be qualified. Check all answers that apply.
Atom
Molecule
Compound
- 4. Multiple Choice
Which of the following is NOT a rule for matter?
All matter is made of atoms
Atoms bond to other atoms to form compounds
Atoms are on the macro scale
Atoms last forever
- 5. Multiple Choice
What does conservation of matter mean?
Matter cycles through an ecosystem and 10% is lost as you move through each trophic level.
Matter cannot be created, but can be destroyed.
Matter cannot be created nor destroyed, and cycles through ecosystems.
Matter and energy both move through ecosystems with 100% efficiency.
- 6. Multiple Choice
How is matter recycled in ecosystems?
Matter can take on different forms as it goes through different processes.
Matter moves through ecosystems through biogeochemical cycles.
Matter is recycled as organisms in different trophic levels consume and finally when decomposers return matter to the ecosystem.
All of these are true.
- 7. Multiple Choice
Animals take in energy as __________ and convert it to ________, the energy cells can use.
Fat, ADP
Fat, ATP
Glucose, ADP
Glucose, ATP
- 8. Multiple Choice
What is an element?
A pure substance that cannot be broken down.
Two atoms bonded together.
Two or more different types of atoms bonded together.
An molecule with an unequal distribution of charge.
- 9. Multiple Choice
What are atoms composed of?
Protons and electrons.
Protons, neutrons, and electrons.
Neutrons and electrons.
Ions, elements, and compounds.
- 10. Multiple Choice
What is matter?
Matter has mass and takes up space.
Matter is charged atoms.
Matter has a charge and a mass.
Matter is polar molecules.
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