measuring rivers

We measure how wide and deep a river is because

• Wide areas can make the river slow down a bit and fish can lay eggs on the bottom.

• waders are fun to wear.

• rivers start with the letter r.

• we want to see if sand is on the bottom of the river

Which answer shows things that might not be moving in the water of the river?

• tree branches, cement blocks, litter

• tree branches, clowns, litter

• marigold branches, cement blocks, litter

• tree branches, cement blocks, kitties

Which answer is the correct way to write percent hydrogen?

• pH

• Ph

• ph

• PH

What number do we want the pH test to show for a healthy river?

• near 7

• near 2

• near 14

• 273

What is silt?

• find sand particles found on the bottom of rivers

• large rocks and trees found in rivers

• a type of fish found in rivers

• a bridge over some rivers

What does the "macro" part of the word macroinvertebrates mean?

• large

• microscopic

• size of a mountain

• blue

What does the "invertebrate" part of the word macroinvertebrate mean?

• no backbone

• large backbane

• is incapable of standing up

• has inverts

Which of these is one of macroinvertebrates we saw in the video?

• caddisfly

• decemberfly

• rockfly

• princessfly

What is one of the plants we might see at the river and measure?

• duckweed

• tigerweed

• peopleweed

• hairweed

What does Miss Thebert want you to listen for during the listening test?

• river sounds and maybe ducks and squirrels

• car sounds

• dancing music and ducks and squirrels

• porcupine and snake sounds