Rocks and Fossils study link

aquatic fossil

• remains or traces of an organism that lived in water long ago

• describes a kind of thing that is no longer found on Earth

• remains or traces of an organism that lived long ago

fossil

• remains or traces of an organism that lived in water long ago

• describes a kind of thing that is no longer found on Earth

• remains or traces of an organism that lived long ago

extinct

• remains or traces of an organism that lived in water long ago

• describes a kind of thing that is no longer found on Earth

• remains or traces of an organism that lived long ago

In rock layers, the oldest layer of rock is

• at the bottom

• at the top

• in the middle

How does a canyon form?

• Earthquakes cause rocks to break and form a canyon.

• Rain, snow and wind cause rocks to form a canyon.

• A river carves down into rocks to form a canyon.

Rivers and glaciers change rocks ________ .

• quickly

• slowly

Earthquakes can change rock layers ________ .

• quickly

• slowly

What can you infer about this fossil?

• It has a short neck

• It may have lived in the water

• It could fly

Study the picture and information about this organism, and answer whether the fossil is an aquatic fossil or a terrestrial fossil.

Ammonites were animals that lived in coiled shells. They moved by squirting jets of water from their bodies.

• aquatic fossil

• terrestrial fossil

Study the picture and information about this organism, and answer whether the fossil is an aquatic fossil or a terrestrial fossil.

Ferns are plants that live in warm, moist environments, such as rain forests. This fossil is an imprint of a fern leaf.

• aquatic fossil

• terrestrial fossil