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Ms. Desfossé

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Intro to ChemChemical

Reactions & Compounds

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The most abundant element ina bacterium.

What is Carbon?

1,2

1,3

1,4

In a chemical reaction, the substance(s) that you start with.

What are reactants?

2,1

The subatomic particle thatis able to absorb energy, get

“excited” and “pop” out of theatom.

What is the electron?

2,2

2,3

2,4

What gets broken during a chemical reaction

What are bonds?

3,1

A food chain is an example of how _________ move through

a community.

What are Energy and Matter?

3,2

3,3

3,4

When organisms get energy from the environment and use

it (by doing chemical rxns).

What is metabolism?

4,1

The source of all energy on Earth.

What is the sun?

4,2

4,3

4,4

A compound held together by Covalent bonds.

What is a molecule?

5,1

The energy classification of the following scenario:

An alga absorbs sunlight and uses it to make glucose.

-EXOthermic -ENDOthermic-EXERgonic -ENDERgonic

What is ENDERgonic? (ENDOthermic is ok, but not the best answer!)

5,2

5,3

5,4

The energy classification of the Following scenario:

Your body breaks down the sugarYou ate to release the energy.

-EXOthermic -ENDOthermic-EXERgonic -ENDERgonic

What is EXERgonic? (EXOthermic: ok, but not the BEST answer!)