Science Review Test 9

A dolphin is a ____________.

• mammal

• fish

• reptile

• amphibian

The world's largest ocean is the ____________.

• Atlantic Ocean

• Indian Ocean

• Pacific Ocean

• Arctic Ocean

What movement of the earth gives us a year?

• rotation

• revolution

An invertebrate with many stinging tentacles is a ____________.

• jellyfish

• octopus

• starfish

• sea urchin

The part of the land under the ocean which contains seamounts and volcanoes is the ____________.

• continental shelf

• abyssal plain

• ocean floor

• continental slope

The part of the land under the ocean where most fish live is the ____________.

• continental shelf

• abyssal plain

• continental slope

• ocean floor

The wise use of natural resources is known as ____________.

• conservation

• pollution

• exploitation

• urbanization

What are the decayed materials in soil called?

• Humus

• Sand

• Clay

• Silt

Which ocean is considered the warmest?

• Atlantic Ocean

• Pacific Ocean

• Indian Ocean

• Arctic Ocean

Which planet is known for having rings?

• Mars

• Jupiter

• Saturn

• Neptune