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Introduction to Caffeine

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Elijah is choosing a drink to help him stay awake while studying. Which item is most likely a source of caffeine?

a)

A cup of hot tea with steam

b)

A carton of plain milk

2.

Aiden is deciding what to drink to help him stay awake while studying. Which drink usually has the most caffeine?

a)

Iced coffee

b)

Herbal tea

3.

Scarlett is comparing different drinks to see which one has the smallest serving size, making its caffeine most concentrated per ounce. Which drink should she choose?

a)

Small black tea, 8 ounces

b)

One shot of espresso, 1 ounce

4.

Rohan is planning a party and wants to serve drinks in 8-ounce servings. Which pair of drinks should he choose to make sure both have 8-ounce servings?

a)

Small cup of coffee and small green tea

b)

Small black tea and small green tea

5.

Benjamin is deciding which drink to buy at the store. Which drink has the largest volume?

a)

Small cup of coffee, 8 ounces

b)

Can of Monster Energy, 16 ounces

6.

Maya is curious about which drinks usually have caffeine that comes naturally from plants. She looks at her options below. Which drinks should she choose?

a)

Can of Diet Coke and can of Coca-Cola

b)

Small black tea and small green tea

7.

Aria, a teenager, has started drinking several energy drinks and coffee every day. Which health issue is linked to high caffeine use in teens?

a)

Stronger bones and growth spurts

b)

Dehydration and anxiety symptoms

8.

Scarlett is a teenager who enjoys drinking coffee and energy drinks. She wants to know the recommended daily caffeine limit for tweens and teens. What is the recommended amount?

a)

About 50 milligrams per day

b)

No more than 100 milligrams

9.

Emma has been drinking coffee every evening and now finds it hard to fall asleep at night. Why can using caffeine too often cause trouble sleeping?

a)

It stimulates the nervous system

b)

It increases oxygen in muscles

10.

Jackson is deciding which drink to buy for a boost of energy. Which drink size has the most caffeine?

a)

Can of Monster Energy, sixteen ounces

b)

Can of Coca‑Cola, twelve ounces

11.

Zoe finds that she can't start her day without a cup of coffee and feels tired and unfocused without it. What does dependency on caffeine mean for the body?

a)

Relying on caffeine to function

b)

Needing more sleep than usual

12.

Emma is trying to find out how much caffeine is in her 8‑ounce cup of coffee. Which option best matches the amount of caffeine in her cup?

a)

Contains 25–48 mg caffeine

b)

Contains 95–165 mg caffeine

13.

Mia is checking the nutrition facts on a 12‑ounce can of Mountain Dew. How much caffeine does she find listed?

a)

54 milligrams listed

b)

34 milligrams listed

14.

Zoe is trying to choose a drink that contains about 80 mg of caffeine. Which one should she pick?

a)

Can of Red Bull, 8.4 oz

b)

Can of Diet Coke, 12 oz

15.

Isla drank several cups of coffee in one morning. What is a possible stomach side effect of too much caffeine?

a)

Diarrhea

b)

Faster digestion

16.

Hannah, a teenager, starts drinking caffeinated energy drinks regularly. What is she especially vulnerable to with caffeine?

a)

Issues like anxiety and dehydration

b)

Instant athletic performance boosts

17.

Michael is deciding between drinking a can of Coca‑Cola or a small green tea. How much caffeine would he consume with each?

a)

25–48 mg plus 160 mg

b)

34 mg plus 25–29 mg

18.

Jackson wants to make sure he keeps his caffeine intake under the daily limit for teens. Which choice should he make?

a)

Add espresso to tea

b)

Pick one low-caffeine drink

19.

Olivia is making coffee and tea for her friends. She notices that the caffeine amounts are different in each cup. Why do caffeine amounts vary in coffee and tea?

a)

Different brewing methods

b)

Cup color

20.

Grace drank several cups of coffee in one day. What can happen if you drink too much caffeine?

a)

Diarrhea

b)

All of the above

21.

Kai is reading about healthy habits for teens. Experts say teens should have no more than _____ mg of caffeine daily.

a)

100

b)

210

22.

Benjamin is studying late at night and drinks a cup of coffee to stay awake. The caffeine in his coffee makes him feel alert by blocking his brain's receptors for _____, a chemical that makes him feel tired.

a)

Adenosine

b)

Serotonin

23.

Charlotte drinks several cups of coffee every day. Drinking too much caffeine can put her at risk for _____, a disease that makes your bones weak.

a)

osteoporosis

b)

diarrhea

24.

Kai is trying to choose a drink but wants to avoid having more than the recommended daily caffeine for teens. Which drink should Kai avoid?

a)

can of Monster Energy

b)

one shot of espresso

25.

Grace is preparing for her exams and wants to avoid energy drinks while studying. Which drink is a good alternative for her?

a)

flavored sparkling water

b)

herbal tea with honey

26.

Aria drinks a cup of coffee before starting her study session. Which brain effect is most linked to short-term caffeine use?

a)

Complete elimination of fatigue

b)

Improved alertness and focus

27.

Hannah drinks a cup of coffee before an exam. Caffeine can affect mood. Which is a possible short-term effect?

a)

Guaranteed long-term happiness

b)

Feeling more energetic and upbeat

28.

Scarlett drinks a lot of coffee every day and doesn't get enough calcium in her diet. How might this affect her bones?

a)

Strengthens bone density quickly

b)

May slightly reduce calcium absorption

29.

After drinking a cup of coffee, Priya wonders what happens to her heart. What effect does caffeine have on her heart?

a)

Temporary increase in heart rate

b)

Irregular heartbeat

30.

After drinking several cups of coffee in one morning, Grace starts to feel discomfort in her stomach. What can happen to your digestion after too much caffeine?

a)

Increased stomach acid and upset

b)

Reduced stomach acid production