Fossils 3rd Grade

People who study fossils are called ____.

• meterologists
• fossilologists
• paleontologists
• fossil hunters

Tags

NGSS.MS-LS4-1

In which kind of rock do we usually find a fossil?

• sedimentary  rock
• metamorphic rock
• igneous rock

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

In order for a fossil to form, which of the following events must happen FIRST?

• Slowly, minerals in the water replace the bone.
• Sediment covers the bone.
• An animal dies.
• The bone is no longer a bone, but a rock copy.

The hardened remains of a living thing that died long ago.

• extinct
• cast
• fossil
• bone

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which type of fossil would look just like an actual body part of a once-living thing?

• a cast

• an imprint

• a mineral

• a footprint

Which is an imprint fossil?

• bone
• a cast
• petrified wood
• an animal track

A fossilized animal had a mouth full of sharp, pointed teeth. What can you infer about the animal?

• The animal ate fruits and vegetables.

• The animal is closely related to a shark.

• The animal did not live on land.

• The animal ate meat.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

A fossil is...

• a hole in sedimentary rock.
• the body of a dinosaur.
• the remains or traces of an organism that lived long ago.
• rock that resembles a dinosaur or sea creature.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which of the following steps are in order?

• Sediment covers a clam.  The soft part of the clam decays.  Its shell leaves a clam-shaped hole in the sedimentary rock called a mold.  The mold fills with minerals.
• The mold fills with minerals.  Sediment covers a clam.  Its shell leaves a clam-shaped hole in the sedimentary rock called a mold.The soft part of the clam decays.  
• The mold fills with minerals.  Sediment covers a clam.  The soft part of the clam decays.  Its shell leaves a clam-shaped hole in the sedimentary rock called a mold.
• Its shell leaves a clam-shaped hole in the sedimentary rock called a mold.  The mold fills with minerals. Sediment covers a clam.  The soft part of the clam decays.

Tags

NGSS.MS-LS4-1

What is the name of the wood of a tree that has been replaced by rock?

• sedimentary
• trace
• petrified
• Mr. Wood