Baking Science

Name:

Date:

Instructions: Discover the science behind your favorite baked goods!

1.
What gas does yeast produce that makes bread rise?
A
Nitrogen
B
Oxygen
C
Hydrogen
D
Carbon dioxide
2.
What protein in flour gives bread its chewy, elastic texture?
A
Gluten
B
Keratin
C
Albumin
D
Casein
3.
What is the chemical leavening agent in baking soda?
A
Potassium carbonate
B
Sodium bicarbonate
C
Calcium carbonate
D
Sodium chloride
4.
What is the Maillard reaction in baking?
A
The browning reaction between amino acids and sugars
B
Butter melting in dough
C
Yeast activation
D
Gluten development
5.
Why is cake flour typically used instead of bread flour for making tender cakes?
A
It tastes sweeter
B
It contains baking powder
C
It is more expensive
D
It has less protein (less gluten formation)
6.
What role do eggs play in baking?
A
Provide structure, moisture, and leavening
B
Only add color
C
Only add flavor
D
Only act as a preservative
7.
What happens when you 'proof' yeast?
A
You test if the yeast is alive and active
B
You freeze the yeast
C
You grind the yeast into powder
D
You mix yeast with flour
8.
Why do recipes often call for room-temperature butter when making cookies?
A
It melts faster in the oven
B
It has better flavor
C
It is easier to measure
D
It creams better with sugar, trapping air
9.
What is the difference between baking soda and baking powder?
A
They are the same thing
B
Baking soda is stronger
C
Baking powder is natural, baking soda is synthetic
D
Baking powder contains baking soda plus an acid
10.
Why is salt added to bread dough?
A
It makes dough rise faster
B
Only for flavor
C
It prevents the dough from sticking
D
It strengthens gluten, controls fermentation, and adds flavor
11.
What process occurs when sugar caramelizes?
A
It breaks down and turns brown when heated above 320°F (160°C)
B
It crystallizes
C
It dissolves in water
D
It evaporates
12.
Why should pie dough be kept cold during preparation?
A
To keep the butter solid for a flaky texture
B
To make it easier to handle
C
To enhance the flavor
D
To prevent bacteria growth
13.
What is a sourdough starter made from?
A
Flour and water fermented with wild yeast
B
Vinegar and flour
C
Commercial yeast and water
D
Baking soda and flour
14.
Why do high-altitude bakers often need to adjust their recipes?
A
Lower air pressure affects rising and boiling points
B
The flour is different at altitude
C
Water tastes different at altitude
D
The temperature is colder
15.
What ingredient in meringue stabilizes the whipped egg whites?
A
Flour
B
Milk
C
Sugar
D
Butter

Find more free puzzles and brain games at www.SeniorBrainGames.org