Question: Choose your answer.

Florida has a large supply of phosphate that ancient seas deposited millions of years ago. The phosphate contains the remains of animals that were deposited in layers on the sea floor. Which type of rock did the phosphate become?

OPTIONS:
- intrusive igneous
- extrusive igneous
- clastic sedimentary
- organic sedimentary
My Answer: organic sedimentary

Question: Choose your answer.

A group of students was preparing an activity to determine whether certain materials will float or sink when placed on water. Before the experiment started, one student said, "I think the sponge will float." This statement was

OPTIONS:
- a conclusion
- a fact
- an observation
- a prediction
My Answer: a prediction

Question: Choose your answer.

What geographic obstacle causes water to condense in an air mass as the air mass moves?

OPTIONS:
- forests
- oceans
- prairies
- mountains
My Answer: mountains

Question: Choose your answer.

Hydrogen gas and oxygen gas combine to form water. Which would be a more concise way of expressing what happens in this chemical reaction?

OPTIONS:
- write a chemical formula
- write a chemical equation
- describe the rearrangement of the atoms
- describe the procedure for creating this change
My Answer:
write a chemical equation