Physical Science Q. 4 SE Benchmark Review

Which best compares the reliability of analog signals and digital signals?

• Both types of signals are equally reliable

• Only analog signals are reliable

• Digital signals are more reliable than analog signals

Tags

NGSS.MS-PS4-3

A brick wall is good to hide behind because it is....

• Opaque

• Transparent

• Translucent

Tags

NGSS.MS-PS4-2

Sound waves move the slowest through....

• Solid

• Liquid

• Gases

We are able to see through a window because...

• Light is scattered and diffracted in the window

• Light is absorbed in the window

• Light is transmitting through the window

Tags

NGSS.MS-PS4-2

As the frequency of a wave increases, how is the energy of the wave affected?

• The energy increases

• The energy decreases

• The energy stays the same

Tags

NGSS.MS-PS4-1

What is the velocity of the wave in the diagram if the frequency is 10HZ. (Velocity = wavelength X frequency)

• 211 m/s

• 64 m/s

• 128 m/s

Tags

NGSS.MS-PS4-1

Light bending as it passes through a prism causes ______ to happen?

• Reflection

• Diffraction

• Refraction

Tags

NGSS.MS-PS4-2

Sound cannot be heard in space by astronauts because...

• sound cannot travel through the vacuum of space

• sound can only travel through air that contains oxygen

• because sound reduces in amplitude in space

Why can people feel earthquakes that happen far away from them?

• the waves travel far away from the epicenter with no interference

• the waves carry through the Earth's crust

• the waves can be measured on a Richter scale

If a hammer strikes the closed end of an air filled tube. What type of wave does this create?

• Transverse wave

• longitudinal wave

• periodic wave

Tags

NGSS.MS-PS4-1