NPS [Prelab] Make Crystal

Match the materials to their images

• Stirring Rod

• 
• Hot plate

• 
• Styrofoam cup

• 
• Beaker

• 
• Pipe cleaner

• 

Tags

NGSS.MS-ETS1-1

What is the size of the beaker we are using tomorrow?

• 400 mL

• 200 mL

• 600 mL

• 800 mL

Step 1:

What is the purpose of the pipe cleaner?

• to create shapes

• to tie the knot

• to hold the beaker

• to use as a string

Step 1:

1b. Use a ​ (a)   to connect the ​ (b)   and a ​ (c)   .

• string
• pipe cleaner
• wooden stick

Step 1:

What should you do on the styrofoam cup?

• write your name and period

• draw the shape of the crystal

• write the group name

What are you doing in step 2?

• boil water

• add salt

• prepare the shape

• add food coloring

Tags

NGSS.MS-PS3-4

Step 2:

How much water are you adding to the beaker?

• 400 mL

• 250 mL

• 100 mL

• 600 mL

Step 2:

What is the first thing you should do when the water is boiling?

• turn off the hot plate

• start adding salt

• pour the water into the styrofoam cup

• call Ms. Chang for help

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Step 2:

After the water is boiling, what can Ms. Chang do for you?

• turning off hot plate

• adding and stirring salt

• transferring boiling water into the cup

• creating the shape with a pipe cleaner

What are you doing in step 3?

• preparing the shape

• cleaning

• boiling water

• dissolving salt