Animals Through Time

Fossils Unit 7 Lesson 2 and 3

Multiple Choice

Fossils can form in different ways. What is the most common way they form?

• They can form in jello.

• They can form under layers of sediment.

• They can form in pools.

• They can't form at all.

Multiple Choice

What is a fossil?

• An organism preserved from the past.

• A real plant.

• Your teacher

• A real animal.

Fill in the Blank

You can date rock layers by the __________ in them.

Fill in the Blank

Older fossils are found on the ________bottom layers of rock.

Multiple Choice

What is absolute age?

• The exact age of something.

• The age of something related to something else.

• A fossil

• A surprise party.

Multiple Choice

What is an example of relative age?

• Giving your exact date of birth.

• Putting papers in order by the date they were printed.

• Determine the oldest layer of trash by how they were placed in the trash bin.

• Add up the age of all your relatives.

Multiple Choice

What are two things that may prevent you from using relative age to date a rock layer?

• Chips and Salsa

• Erosion and fossils found in every layer.

• Betty White and Keith Richards.

• Few fossils and volcanoes.

Multiple Choice

How can fossils help you understand the Earth? Pick the answer that isn't correct.

• They can show us changes that occured over time.

• The show how organisms have changed over time.

• They can show how plants and animals are related to each other.

• They help us realize the importance of taco Tuesday.