WorksheetsFossils 化石
Total questions: 15
Worksheet time: 11mins
An animal has sharp, pointy teeth, what can we infer about this animal?
The animal lived in the water
The animal lived near the beach.
The animal is a carnivore.
The animal only ate plants.
What needs to happen FIRST for a fossil to form?
A plant or animal must be covered by sediment.
A plant or animal must die and decompose.
Sediments fill a a mold to form a cast.
An earthquake shifts the land up.
What replaces the wood of a once-living thing to form petrified wood?
amber
cast
mold
minerals
This type of fossil is tree sap hardened and replaced by minerals.
Petrified wood
Imprint
Amber
Mold
What can we infer about animals with dull teeth?
They ate other animals.
They ate only plants.
They ate nothing.
They only ate fish.
Which is NOT a reason scientists study fossils?
They tell us how long a species existed on Earth.
To learn how organisms are related to each other.
How organisms communicated with each other.
Fossils tell scientists the types of environments that organisms lived in.
An organism should be buried quickly after it dies if it has a chance of becoming a fossil
True
False
How do scientists learn about dinosaurs?
by studying fossils
by reading about them
by watching movies
by looking at pictures
How do fossils form?
An organisms is rapidly buried. The sediments and minerals replace the tissues.
An organism is buried slowly. Only bones can become fossils
Coal is the carbon left over from plants in between rock layers. Is coal technically a fossil?
yes
no
