Vocabulary
What is a "material"?
The stuff that makes up everything
What material are rain boots made of?
Rubber
Name two properties of ice cream.
Possible answers: Cold, sweet, hard, chunky
The properties of the mixture is pink, a little sour and thin (watery).
What possible ingredients are in the mixture?
Strawberries, lemons and water.
What is an engineer?
An engineer is someone who plans, designs, creates and solves problems.
What does property mean?
Something about a material that you can see, hear, smell, taste or feel.
What are clothes made of?
Fabric/cloth
Name 2 properties of corn syrup.
Possible answers: sticky, thick, odorless, light yellow, brown or sweet.
The properties of this mixture are medium brown, thick (moves slowly), smooth and sweet.
what are the possible ingredients of this mixture?
chocolate syrup, sugar and milk.
We are glue engineers
What were our design goals?
1. Sticky
2. Strong
3. Thick
4. Smooth
What does "design" mean?
To try to make something new that solves a problem.
What is candy made of?
Sugar
Crayons are made of wax. What happens to the wax when it's heated?
Can you change it back to it's original properties?
When wax is heated it turns into liquid.
YES, you can change it back.
Ingredient 1: Water
the properties of water are clear, pourable, and runny.
Ingredient 2: flour
the properties of flour are tan, soft
Ingredient 3: corn syrup
the properties of corn syrup are light yellow, sticky, and thick
clear, liquid and sticky
Is our final glue recipe an ingredient or a mixture? How do you know?
Mixture! It is made with more than 2 ingredients.
What is an "ingredient?"
Anything used in a recipe or mixture.
Name one ingredient that was too crunchy and rough to add to our glue recipe
What can you use to identify the different properties of materials?
the 5 senses or testing them
What is a mixture?
A mixture is when you mix 2 or more ingredients.
Name two books we read in class
Possible answers: Jess Makes Hair Gel, Can you change it back?, Jellybean Engineer, Handbook of Interesting Ingredients, or What if Rain Boots Were made of Paper.
What does is mean to "record" something?
To write/draw what you observe or learn
wax, water, lava, gold/metal, etc.
Which ingredients would you pick to make a glue that meets the design goals?
Design Goals:
1. Sticky
2. Thick
3. Strong
Water, Flour, Cornstarch, or Gelatin
Which property does the ingredient sugar give to the mixture lemonade?
What type of evidence can you use to support a claim?
Possible answers: experiments, observations, research from books, or data.