The Sense Organ of Taste Basic Science Primary 2 First Term Lesson Notes Week 6
Class: Primary 2
Subject: Basic Science
Topic: The Sense Organ of Taste
Sub-topic: Understanding the Tongue as the Sense Organ of Taste
Duration: 45 minutes
Instructional Materials:
- Pictures of various foods
- A diagram of the tongue
- A chart displaying different tastes
- A sample of foods with different tastes
- Flashcards with taste-related words
- A whiteboard and markers
Entry Behaviour: Students have basic knowledge of the five senses and their importance.
Behavioural Objectives: By the end of the lesson, students should be able to:
- Identify the tongue as the sense organ responsible for taste.
- Recognize and differentiate various tastes.
- Explain the role of the tongue in enjoying different flavors.
Previous Lesson: In the previous lesson, we discussed the sense of touch and its importance.
Content:
Our tongue helps us enjoy all the delicious flavors in different foods. It can tell us if something is sweet like candy 🍬, sour like lemons 🍋, salty like potato chips 🍟, bitter like black coffee ☕, or even spicy like chili peppers 🌶️.
The tongue is like a super-taster that helps us savor the different tastes and enjoy our meals. So, next time you eat something yummy, remember to thank your tongue for making it taste so good! 😋👍
1. Sweetness 🍭
- This taste is like sugar and makes things taste yummy.
- Example: Candy and chocolate are sweet.
2. Sourness 🍋
- Sour tastes are tangy or tart, like lemons or vinegar.
- Example: Lemon juice is sour.
3. Saltiness 🧂
- Salt makes things taste salty, like potato chips.
- Example: Potato chips are salty.
4. Bitterness ☕
- Bitter tastes are strong and sometimes not so pleasant, like black coffee.
- Example: Black coffee can be bitter.
5. Spiciness 🌶️
- Spicy tastes are hot and tingly on the tongue, like chili peppers.
- Example: Spicy chili peppers make food hot.
6. Savory or Umami 🍔
- Umami is a rich and meaty taste, like in burgers or cheese.
- Example: Cheeseburgers have umami taste.
7. Fruity 🍇
- Fruity tastes come from fruits and are often sweet and juicy.
- Example: Grapes taste fruity.
8. Minty 🌿
- Minty tastes are cool and fresh, like in mint candies or toothpaste.
- Example: Mint candies have a minty taste.
9. Chocolatey 🍫
- This taste is like chocolate and is smooth and sweet.
- Example: Chocolate ice cream is chocolatey.
10. Buttery 🧈 – Buttery tastes are creamy and rich, like butter on bread. – Example: Toast with butter tastes buttery.
Your tongue helps you enjoy all these yummy tastes in different foods! 🍬🍋🍔🍇
Evaluation
- The sense organ of taste is the ________________. a) nose b) tongue c) ear d) eye
- The tongue helps us taste different ________________. a) sounds b) colors c) tastes d) smells
- One taste is sweetness, like in ________________. a) candy b) ice c) snow d) stones
- Sourness tastes ________________. a) hot b) salty c) tangy d) sweet
- Saltiness makes things taste ________________. a) spicy b) hot c) salty d) sweet
- Bitterness can be found in ________________. a) sweet fruits b) chocolate c) lemons d) sugar
- Spicy tastes are like chili and can feel ________________ on the tongue. a) cool b) hot c) sour d) bitter
- Umami is a rich and meaty taste found in ________________. a) burgers b) ice cream c) apples d) water
- Fruity tastes come from ________________. a) fruits b) vegetables c) meat d) rocks
- Minty tastes are cool and fresh, like in ________________. a) pizza b) mint candies c) bread d) carrots
- Chocolatey tastes are smooth and sweet, like in ________________. a) chocolate bars b) spaghetti c) rice d) fish
- Buttery tastes are creamy and rich, like on ________________. a) sandwiches b) ice cream c) cookies d) toast
- The sense of taste helps us enjoy different ________________ in food. a) colors b) sounds c) tastes d) shapes
- Our tongue can tell if something is ________________. a) wet b) cold c) tasty d) tall
- When you eat candy, your tongue can taste the ________________. a) shapes b) sizes c) colors d) sweetness
- What is the sense organ responsible for tasting?
- Can you give an example of a sour taste?
- Explain what umami tastes like and provide an example.
- How does the tongue help us enjoy different tastes in food?
- Why is it important to have a sense of taste?
Step by Step Presentation:
Step 1: Introduction (5 minutes)
- Begin by discussing the five senses and their importance.
- Introduce the topic: “The Sense Organ of Taste.”
- Ask students if they know which sense organ is responsible for tasting food.
Step 2: Exploring the Tongue (10 minutes)
- Show a diagram of the tongue and explain that it’s the sense organ responsible for tasting.
- Discuss the different parts of the tongue, including taste buds.
- Use flashcards to teach taste-related words like sweet, sour, salty, bitter, spicy, umami, etc.
Step 3: Recognizing Tastes (15 minutes)
- Show pictures of various foods and ask students to identify the taste of each food.
- Display a chart with different tastes and ask students to match the tastes with the foods.
- Provide samples of foods with different tastes for a hands-on experience.
Step 4: Role of the Tongue (10 minutes)
- Explain how the tongue helps us enjoy different tastes.
- Discuss the importance of taste in identifying delicious and safe foods.
- Share examples of how our taste buds react to different flavors.
Evaluation: (5 minutes)
- Conduct a quick quiz where students identify the tastes of foods presented.
- Ask questions like, “What is the sense organ of taste?” and “How does the tongue help us enjoy food?”
Conclusion: (5 minutes)
- Summarize the lesson by emphasizing the role of the tongue in tasting food.
- Encourage students to pay attention to tastes in their daily lives.
Homework: (2 minutes)
- Assign homework that involves tasting different foods at home and identifying their tastes.
- Remind students to be curious about the flavors they encounter.
