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Sports Drinks & Electrolytes: Atomic Structure & Ions
Explore atomic structure and ions by unpacking what electrolytes are, why we need them, and why they are in sports drinks.
grades:
9
-
12
time:
8
-
10
class periods
standards:
HS-PS1-1, MS-PS1-1
science concepts:
atomic structure, ions
essential questions:
● How can we evaluate a claim made by a product?
● What are electrolytes and why do we need them?
● In what state does sodium exist in nature and why?
objectives:
● Investigate electrolytes by analyzing sports drinks claims, collecting data about their properties, and developing particulate models
● Explore how electrolytes work in our body through a variety of readings, labs, and particulate models
● Explain what ions are and how and why they form
Get a taste of the lesson by checking out the video!
Lab Information
Learn more about how we design food-based labs and make it classroom-friendly.
Lab Times (in minutes) *any lab over 60 minutes is split between 2 class periods
20
Lab 1:
Lab 2:
20
Lab 3:
n/a
Lab 4:
n/a
Lab 5:
n/a
Materials & Equipment:
conductivity tester set up, no heat required
Other Notes:
● A conductivity meter or set up to measure if a solution conducts electricity is needed for this lab.
Salt: Ionic Compounds & Separation Methods (gr9-12)
Explore how salt is extracted and made, how and why different types of salt vary, and salt’s purpose in food and cooking.
grades:
9
-
12
time:
5
-
8
class periods
standards:
MS-PS1-1, MS-PS1-3, HS-PS1-1, HS-PS1-2
science concepts:
types of compounds, types of bonds, ionic compounds, solutions and mixtures, separation methods, physical properties
essential questions:
● How do we get salt?
● What types of salt exist, and how do they vary?
● Why do we use salt in food?
objectives:
● Explore the natural and manmade processes behind the formation and extract of salt
● Explain how an ionic crystal forms and how to determine the chemical formula of an ionic crystal
● Explore how and why different types of salts vary through research and data collection in labs
Get a taste of the lesson by checking out the video!
Lab Information
Learn more about how we design food-based labs and make it classroom-friendly.
Lab Times (in minutes) *any lab over 60 minutes is split between 2 class periods
20
Lab 1:
Lab 2:
20
Lab 3:
n/a
Lab 4:
n/a
Lab 5:
n/a
Materials & Equipment:
hot plate + beaker or small pot
Other Notes:
● Lab 1 requires a hot plate to heat a solution of saltwater, as well as a filter set up.
Sugar (Rock Candy & Tanghulu): Solutions & Covalent Bonding
Explore sugar solutions, the basis of many candies, by making rock candy and unpacking sucrose molecular structure, the process of dissolving, the importance of concentration and temperature, and another sugar-based candy: tanghulu.
grades:
8
-
12
time:
4
-
4
class periods
standards:
HS-PS1-1, HS-PS1-2
science concepts:
types of bonds, types of compounds, polarity, solutions and mixtures
essential questions:
● What is sugar and how is it different than salt?
● How do we make sugar●based candies? What steps are important and why?
● Why does sugar dissolve in water?
objectives:
● Explore the molecular structure of sucrose and compare and contrast covalent and ionic bonding
● Explain how and why sugar is polar, and how this influences its interaction with water molecules
● Explore concepts around concentration and see how they apply to sugar●based candies
Get a taste of the lesson by checking out the video!
Lab Information
Learn more about how we design food-based labs and make it classroom-friendly.
Lab Times (in minutes) *any lab over 60 minutes is split between 2 class periods
20
Lab 1:
Lab 2:
n/a
Lab 3:
n/a
Lab 4:
n/a
Lab 5:
n/a
Materials & Equipment:
mason jars, small pot, hot plate
Other Notes:
● Lab 1 requires a heat source. The rock candy needs to sit for a period of about 5 days.
● Lab 2 is a demo or can just be an activity in which students analyze a tanghulu recipe, but do not make it.
Spiciness (Peppers): Polarity & Mixing Substances
Explore capsaicin, the primary molecule behind spice, and see how its molecular structure explains its behavior with other substances.
grades:
8
-
12
time:
6
-
10
class periods
standards:
MS-PS1-1, MS-LS1-8, HS-PS1-3
science concepts:
solubility, polarity, sensory neurons
essential questions:
● What makes food spicy?
● How do we best extract spice?
● What foods help us get relief from spice and why?
objectives:
● Identify the polarity of a substance by analyzing its bonds and molecular structure
● Explain how and why a substance may interact with another substance based on the structure and polarity of its molecules
● Explain and connect concepts of polarity and interactions between substances to the phenomenon of spice (extracting spice and getting relief from spice)
Get a taste of the lesson by checking out the video!
Lab Information
Learn more about how we design food-based labs and make it classroom-friendly.
Lab Times (in minutes) *any lab over 60 minutes is split between 2 class periods
20
Lab 1:
Lab 2:
30
Lab 3:
20
Lab 4:
n/a
Lab 5:
n/a
Materials & Equipment:
hot plate, pot or pan
Other Notes:
● Only Lab 1 requires heat.
● Lab 2 (paper chromatography) requires about 20 minutes waiting time in addition to 5●10 minutes active time.
● "Lab" 3 is more akin to a hands-on activity and involves taste testing and data collection around drink's efficacy in relief from spiciness.
Sourness & Butterfly Pea Lemonade: pH and Acids (gr8-12)
Explore acidity and what makes substances sour by learning about pH and hydrogen ions and making a butterfly pea flower lemonade.
grades:
9
-
12
time:
3
-
5
class periods
standards:
MS-PS1-1, HS-PS1-2, HS-PS1-7
science concepts:
acids and bases, pH, solutions and mixtures
essential questions: