PART 3

………………are positively charged particles found in the nucleus of atom.

• Protons

• Electrons

• Neutrons

What is the rip current?

• A steady flow of water in a regular pattern in the ocean.

• Water that steadily flows outward from the shore against the direction of incoming waves

• High pressure of the ocean

A deep valley in the ocean floor is an

• oceanic trench

• Continental rise

• Abyssal plain

The force of water pressing against whatever it surrounds is called

• Water temperature

• the saltiness of the water

• water pressure

The relative age of a layer of rock is………………………

• the age of that layer when you compare it to other layers( older, younger, or the same)

• The age of that layer when you compare it to other layers color

• The age of that layer when you compare it to other layers luster

………………are particles found in the nucleus, but has no charge.

• Neutrons

• Electrons

• Protons

- ……………….are negatively charged particles that moves around the nucleus.

• Protons

• Neutrons

• Electrons

- …………….is the dense, central part of an atom.

• Nucleus

• Atom

• None of the above

Which statement best describes the sound waves shown in the illustration?

• They are stopped by the air.

• They are traveling through a gas.

• They are traveling through solid matter.

- Which of the following is an accurate statement about how sound travels?

• Sound can travel only through air and other gases.

• Sound changes as it travels through different states of matter.

• Sound does not change as it travels through different states of matter.