Definitions
Soluble: It ___ dissolve
Soluble: It can dissolve
You're mixing ingredients for a cake. You need the salt, sugar, and baking soda to dissolve in the milk, butter and eggs.
Which picture will best help the items dissolve? Why?
Picture 2
It is quicker and stronger at stirring which will help the ingredients blend together
You're making hot coco.
Should you mix the powder with hot or cold water? Why?
Hot water because it will help the powder dissolve better. If you used cold water it would be chunky.
True or False:
Stirring the sugar water made it dissolve more slowly
False
True or False
Sugar is soluble
TRUE
Insoluble: It _____ dissolve
Insoluble: It cannot dissolve
Which water would be best for making tea? Why?
Water 2
It is hot and will dissolve the tea more quickly
Joseph is making ramen and needs to dissolve the flavor packet in the noodles and water.
What is something Joseph can do to make it dissolve faster?
Heat up the water
Stir the ramen
Make sure to shake the flavor so the pieces are spread out
If you increase the temperature of the water, the speed of dissolving will _______
a. increase
b. decrease
a.
If you increase the temperature of the water, the speed of dissolving will increase
True or False
Baking Soda is insoluble
False
Dissolve: When a _________ breaks down in a ______ to create a new solution
Dissolve: When a substance breaks down in a liquid to create a new solution
What causes these different forms of salt to dissolve at different rates?
a. The salt in image 1 has a greater surface area
b. The salt in image 1 has less surface area
b. The salt in image 1 has less surface area
Image 1 dissolves faster!
I want my iced coffee to taste sweeter. What would be the best thing to add? Why?
a. Sugar Cubes
b. Liquid Sugar
Liquid sugar because the cubes would not dissolve well in iced coffee
Sugar would dissolve most quickly in _____
a. Ice water
b. room temperature water
c. hot water
c.
Sugar would dissolve most quickly in hot water
Which item is soluble?
a. paper
b. iPhone
c. oil
d. salt
d. Salt
What is Surface Area?
(think about the sugar cube/sugar pieces)
Surface Area is how much space something takes up. The bigger the item, the larger the surface area
Which "grounds" would make the strongest tasting coffee? Why?
Fine grounds
It has less surface area so it will dissolve more easily and make strong tasting coffee
Julian is making mac n' cheese. He adds the milk, butter, and cheese powder to the noodles, but the cheese powder is all clumpy.
What should he do to help it dissolve?
Julian should stir the mac n' cheese or heat it up to help it dissolve
Increasing in surface area will _______ the rate of dissolving
a. increase
b. decrease
b.
Increasing in surface area will decrease the rate of dissolving
What soluble item is put in Pepperoni and Gus's water bottle?
Vitamins!