Popcorn Experiment

Popcorn Experiment

Assessment

Interactive Video

Chemistry

University

Medium

Created by

Luis Bello

Used 1+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if the water content in a popcorn kernel is too low?

  • A) The popcorn will burn.

  • B) The kernel won't pop properly.

  • C) The popcorn will taste bland.

  • D) The popcorn will pop too quickly

B) The kernel won't pop properly.
  • C) The popcorn will taste bland.

  • D) The popcorn will pop too quickly

  • A) The popcorn will burn.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the water content in popcorn crucial for popping?

  • A) It provides flavor.

  • B) It helps the kernel expand.

  • C) Water turns to steam, causing the kernel to pop.

  • D) Water makes the popcorn lighter.

  • A) It provides flavor.

  • B) It helps the kernel expand.

  • B) It helps the kernel expand.

  • D) Water makes the popcorn lighter.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason popcorn loses mass after popping?

  • A) The loss of water as steam

  • B) The loss of starch

  • C) The loss of the kernel hull

  • D) The loss of oil

A) The loss of water as steam

B) The loss of starch

  • C) The loss of the kernel hull

  • D) The loss of oil

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what temperature does the water inside a popcorn kernel turn into steam, causing it to pop?

  • A) 100°C

  • B) 150°C

  • C) 180°C

  • D) 220°C

A) 100°C

B) 150°C

C) 180°C

D) 220°C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes the popcorn to puff and become soft after popping?

  • A) Air entering the kernel

  • B) Expansion of steam and starch

  • C) The breaking of the hull

  • D) Release of moisture

B) Expansion of steam and starch
  • C) The breaking of the hull

  • A) Air entering the kernel

  • D) Release of moisture

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. How does the pressure inside the popcorn kernel change as the water heats up?

  • A) It remains constant.

  • B) It decreases.

  • C) It increases until the hull bursts.

  • D) It fluctuates rapidly.

  • A) It remains constant.

  • B) It decreases.

C) It increases until the hull bursts.
  • D) It fluctuates rapidly.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the average water content of a popcorn kernel?

  • A) 5-10%

  • B) 14-20%

  • C) 25-30%

  • D) 30-40%

  • A) 5-10%

  • C) 25-30%

  • D) 30-40%

B) 14-20%

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you start with 100 grams of unpopped popcorn, and after popping, the mass decreases by 15%, what is the final mass of the popped popcorn?

85 grams
90 grams
100 grams
75 grams

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If 250 grams of popcorn loses 20% of its mass during popping, how much mass is lost?

30 grams
70 grams
100 grams
50 grams