Lena
Can
Do
It
!
300

What is correct? Denise told (he and I, him and me) that galahs are very noisy.

Him and me

300

What are the pronouns and are they singular or plural?

We like to watch them in the pet store window.

We - Plural

Them - Plural

300

What are the pronouns and are they plural or singular?

I enjoyed the book about parrots.

I - Singular

300

Replace the word with the correct possessive noun. Lena's mother would like to buy (Lena's mother's) family a parrot.

her
300
Complete correctly: The galah looked small and delicate to (Lena and I, Lena and me). 

Lena and me. 

400

What study helped in the development of early ideas and theories about sound?

The Study of Music

400

What is the science of sound called?

Acoustics

400

What do surfaces that are smooth and hard usually do?

Reflect Sound

400

What materials absorb sound?

Rough, soft, or fuzzy materials.
400

What are the pronouns in the sentence: Denise, did you know that they come in all different colors?

You and they

500

What is a certain type of sound that is often thought of as harsh, unwanted, or surprising? 

Noise

500

What does a sound wave gradually do as its energy is used up?

Fade

500

What do Oilbirds use to help them "see" in dark areas?

Echoes

500

What is a sonar?

A type of echolocation that locates items underwater.

500

What uses the echoes of high-frequency sound waves to "see" inside of a human body?

Ultrasound technology