4TH GRADE TEST #2

Question 1

Lilly was listening to new music samples, one sample had a loud then quiet pattern. How would this look on a wave ?

Accepted Answer

tall hills followed by short hills

Question 2

Waves carry energy not matter.

Accepted Answer

True

Question 3

How are minerals different from rocks?

Accepted Answer

Rocks are made of minerals, minerals are made of elements

Question 4

Can you create waves using a slinky ?

Accepted Answer

yes you can move them up , down, side to side, fast and slow, in and out.

Question 5

Sofia and Isabella were looking at wave patterns. When a sound wave vibrated faster, the amount of waves

Accepted Answer

increased

Question 6

Hunter was playing the Tuba for his parents, is this a low pitch or high pitch instrument ?

Accepted Answer

low pitch

Question 7

What caused the oatmeal to move and create a sound ?

Accepted Answer

vibrations

Question 8

William showed us an example of Fluorite, what are some characteristics of this mineral?

Accepted Answer

All of the above !

Question 9

During our oatmeal pop experiment, what did you observe during the soft pop ?

Accepted Answer

the oats moved a little and the sound was low and quiet

Question 10

Janetta and Cristian were trying to make the largest crystals by letting the crystal solution cool ...

Accepted Answer

slowly overtime

Question 11

What material is the original slinky made of ?

Accepted Answer

steel coils

Question 12

Timothy and Jodi were playing the flute and the harmonica in their concert. Are these instruments high or low pitch?

Accepted Answer

high pitch

Question 13

Diego and EJ were exploring sound. As the vibrations increased the pitch got

Accepted Answer

higher

Question 14

Emma and Sabrina were studying minerals they learned that minerals can be used to make all sorts of things like...

Accepted Answer

all of the above

Question 15

How does the harmonica we made in class make sound waves ?

Accepted Answer

the rubberband vibrates as you blow.

Question 16

The slinky was invented on accident by Richard James.

Accepted Answer

True

Question 17

Brigs was studying light, he found out that we see color due to light waves. Butterflies use their color to...

Accepted Answer

all of the above

Question 18

Waves are the reason why we can see color and the reason why we can hear sounds.

Accepted Answer

True

Question 19

Refraction is when light _____.

Accepted Answer

bends

Question 20

Which demonstration caused a bigger wave with louder sounds ?

Accepted Answer

the strong pop

Questions 20