BCA: 3rd Grade: Science: Fossils

______ are taxes of organisms that lived long ago

• fossils

• amber

• minerals

• rocks

_______ are scientists who study fossils.

• Geologist

• Zoologist

• Paleontologist

• Petrologist

_______ that are found in the bottom layers of a sedimentary rock are the older fossils.

• fossils

• gems

• dimonds

• crystals

Fossils that are found in the bottom layer of a sedimentary rock are the _____ fossils.

• older

• younger

• smaller

• bigger

Fossils can be formed when ______ in ground water replaces the tissues of dead organisms.

• minerals

• sediments

• contaminants

• pollutants

A fossil bone can be much ______ than its original bone because it is now made of minerals.

• lighter

• harder

• softer

• heavier

Fossils can mostly be found in _______ rocks.

• sedimentary

• metamorphic

• igneous

______ can preserve an entire living organism.

• Amber

• Sugar

• Salt

• Graphite

When living organisms such as plants or animals are found in different parts of the world than it would typically be found in. What can we conclude?

• That areas of our Earth have changed over a period of time.

• That areas of our Earth have not changed over a period of time