All waves carry: (1 point)

Responses

light
light

energy
energy

matter
matter

particles

particles

Which of these is an advantage of digital storage of information over analog?(1 point)

Responses

Sound can be recorded either digitally or using analog techniques.
Sound can be recorded either digitally or using analog techniques.

Analog storage of information is continuous and captures a more pure sound.
Analog storage of information is continuous and captures a more pure sound.

A copy of an analog file is never as good as its original.
A copy of an analog file is never as good as its original.

Analog signals take up less bandwidth or storage space than digital.

Analog signals take up less bandwidth or storage space than digital.

There are two types of seismic waves: p-waves and s-waves. Which of the following describes both waves? (1 point)

Responses

Both waves cause earthquakes.

Both waves move the ground in the direction they travel.

Both waves move the ground perpendicular to the direction they travel.

Both waves occur in the ocean.

Both waves move the ground in the direction they travel.

How are frequency and sound related?(1 point)

Responses

Lower frequencies result in higher pitches.
Lower frequencies result in higher pitches.

At higher frequencies, sound travels faster.
At higher frequencies, sound travels faster.

Higher frequencies result in higher pitches.
Higher frequencies result in higher pitches.

At lower frequencies, sound travels faster.

Higher frequencies result in higher pitches.

Which of the following is the role of supporting details in a text?(1 point)

Responses

to give the author's opinion about a topic
to give the author's opinion about a topic

to help the reader understand the central idea
to help the reader understand the central idea

to give information about topics related to the main topic
to give information about topics related to the main topic

to show the reader how to find more details about the topic in other texts
to show the reader how to find more details about the topic in other texts

to give information about topics related to the main topic

Use the paragraph to answer the question.

One impressive cave system is the lava tube caves of Lava Beds National Monument. The caves provide a safe habitat for millions of bats. In order to visit the caves, visitors must first be screened for white-nose syndrome. It is a disease that is fatal to bats.

Which option best identifies the central idea of the paragraph?

(1 point)
Responses

The caves are a safe habitat.
The caves are a safe habitat.

Visitors must be screened for white-nose syndrome before visiting the caves.
Visitors must be screened for white-nose syndrome before visiting the caves.

Lava tube caves are found in a national monument.
Lava tube caves are found in a national monument.

The lava tube caves are part of a cave system that provides homes for millions of bats.