Pathways to the Geosciences - Day 3

The element symbol for Oxygen is:

• O

• Ox

• On

• Xy

Outermost electrons are called:

• shell electrons

• charged electrons

• valence electrons

• cadence electrons

Water, a molecule that has a slightly positive end and a slightly negative end, is a _____ molecule.

• regular

• polar

• organic

• charged

Sodium ions (Na+) and chloride atoms (Cl-) form table salt, NaCl. The atoms in NaCl are held together by:

• an ionic bond

• a covalent bond

• a metallic bond

• an ironic bond

What is geochemistry?

• The study of chemicals.

• The study of dirt.

• The study of the chemical composition of the Earth.

• The study of chemical solutions.

Breathing into calcium hydroxide (Ca(OH2)) solution and what happened?

• Nothing

• It became cloudy white

• Adding CO2 by breathing created the reaction

• It exploded

When adding kitchen salt (NaCl) to soda, what happened?

• Bubbles were created

• Nothing

• It exploded

• A chemical reaction

What is geology?

• the study of rocks

• the study of history

• the study of maps

• the study of earth

Rocks formed as sediment is deposited and pressed together.

• metamorphic

• igneous

• sedimentary

Remains or evidence that plants and animals live long ago are preserved as?

• fossils

• rocks

• minerals

• sediment