3rd Grade Unit 6 Fossils

What are the hardened remains of living things that died long ago?

• Extinct

• Fossils
• Metamorphic rock
• Minerals

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

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

• The animal only ate fruits and vegetables.
• The animal lived in the ocean.
• The animal is related to sharks.
• The animal ate meat.

Tags

NGSS.MS-LS4-2

I found a fossil of a fish in what is now a cow pasture. How is that possible?

• Somebody put the fossil there.
• The wind moved the fossil there over time.
• The cow pasture used to be underwater.
• It would not be possible to find a fossil of a fish in a cow pasture.

Tags

NGSS.MS-LS4-1

What do mammoths and elephants have in common?

• Both have thick fur.
• They are both extinct.
• They both live in a warm climate.
• They both have tusks.

Tags

NGSS.MS-LS4-2

True or false: Some living things have not changed over millions of years.

• True
• False

Tags

NGSS.MS-LS4-1

What part of an animal will most likely become a fossil?

• Muscle
• Eyelash
• Bone
• Ear

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What replaces the wood of a once-living tree to form petrified wood?

• Amber
• A mold
• A cast
• Minerals

Which of the following is NOT something you could learn from a fossil?

• The size of the animal

• What the animal ate

• The color of the animal

• Where the animal lived

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.

What happens when a group of animals become extinct?

• All of its members have died.
• Only a few of its members are still living.
• The animals can no longer lay eggs.
• All of its members move to another place.

Tags

NGSS.MS-LS4-1