Exploring Agricultural Science for Grade 3 Students

Understanding Balanced Diets

1. What is an Unbalanced Diet?

Explain that an unbalanced diet lacks some types of food we need to stay healthy 😕.

2. Effects of an Unbalanced Diet

Discuss how an unbalanced diet can lead to problems like stunted growth and diseases like kwashiorkor 📉.

3. Importance of Eating Balanced Meals

Share why eating a balanced diet is crucial for our health and growth, using examples like fruits, vegetables, and proteins 🍎🥦🍗.

Exploring Different Crop Types

4. Tuber Crops

Explain that tuber crops are plants with swollen underground parts, such as potatoes and yams 🥔.

5. Ornamental Crops

Discuss ornamental crops grown for their beauty, like flowers, and clarify they are not for eating 🌸.

6. Vegetable Crops

Explain that vegetable crops are plants we grow and eat, such as carrots, spinach, and tomatoes 🥕🍅.

7. Grain Crops

Describe grain crops like rice, wheat, and maize, which provide us with grains for making bread and cereals 🌾🍞.

Understanding Nutrients and Energy

8. Importance of Carbohydrates

Discuss that tuber crops give us carbohydrates for energy to play and learn 🚀.

9. Protein Sources

Explain that protein is important for growth and mention examples like beans, eggs, and meat 🥚🍖.

Environmental Awareness

10. Soil Erosion Prevention

Discuss how planting trees and grass helps prevent soil erosion and keeps our environment healthy 🌳.

1. What is an unbalanced diet?
   • An unbalanced diet is a diet that lacks one or more of the classes of food in the right proportion.
   • Correct Answer: c. Unbalanced diet
2. What are the effects of eating an unbalanced diet?
   • Eating an unbalanced diet can lead to stunted growth and diseases like kwashiorkor.
   • Exception: Healthy growth
   • Correct Answer: a. Healthy growth
3. What are tuber crops?
   • Tuber crops are crops with swollen underground stems and roots, such as potatoes and yams.
   • Correct Answer: b. Tuber crops
4. Which of these is not a tuber crop?
   • Rice is not a tuber crop; it is a grain crop.
   • Correct Answer: a. Rice
5. What is the major nutrient provided by tuber crops?
   • Tuber crops are a major source of carbohydrates.
   • Correct Answer: b. Carbohydrate
6. What are ornamental crops?
   • Ornamental crops are plants grown mainly for their beauty and decoration, like flowers and decorative grasses.
   • Correct Answer: c. Ornamental crops
7. Can we use ornamental crops to prevent soil erosion?
   • No, ornamental crops are not typically used for preventing soil erosion.
   • Correct Answer: NO
8. What are vegetable crops?
   • Vegetable crops are annual crops planted and harvested within a year, such as lettuce, tomatoes, and carrots.
   • Correct Answer: a. Vegetable crops
9. List the four classes of vegetables:
   • Leafy vegetables (e.g., spinach)
   • Root vegetables (e.g., carrots)
   • Stem vegetables (e.g., celery)
   • Flower vegetables (e.g., broccoli)
10. Name three examples of grain crops:
    • Rice, wheat, maize (corn)

1. What is an unbalanced diet?
   • An unbalanced diet lacks one or more types of food in the right amounts.
   • Example: Not eating enough vegetables and fruits.
2. What can happen if you eat an unbalanced diet?
   • Eating an unbalanced diet can cause problems like stunted growth and diseases.
   • Example: Not growing as tall as you should.
3. What are tuber crops?
   • Tuber crops are plants with swollen underground parts like potatoes and yams.
   • Example: Digging up potatoes from the ground.
4. Which of these is not a tuber crop?
   • Rice is not a tuber crop; it grows differently.
   • Example: Rice grows in water, not underground.
5. What do tuber crops give us?
   • Tuber crops give us lots of carbohydrates, which give us energy.
   • Example: Eating yam gives us energy to play.
6. What are ornamental crops?
   • Ornamental crops are plants grown for their beauty, not for eating.
   • Example: Flowers in a garden.
7. Can ornamental crops stop soil erosion?
   • No, ornamental crops are not used for stopping soil erosion.
   • Example: Flowers in a garden look nice but don’t stop erosion.
8. What are vegetable crops?
   • Vegetable crops are plants we grow and eat, like carrots and lettuce.
   • Example: Eating carrots for a healthy snack.
9. Name four classes of vegetables:
   • Leafy vegetables (spinach)
   • Root vegetables (carrots)
   • Stem vegetables (celery)
   • Flower vegetables (broccoli)
10. Name three examples of grain crops:
    • Rice, wheat, maize (corn)
    • Example: Bread is made from wheat.
11. Why should we eat balanced meals?
    • Eating balanced meals keeps us healthy and helps us grow properly.
    • Example: Eating vegetables with rice and chicken.
12. How can we know if our diet is balanced?
    • Eating a variety of foods from different food groups helps us have a balanced diet.
    • Example: Having fruits and milk with breakfast.
13. What is the main nutrient in tuber crops?
    • Tuber crops have lots of carbohydrates, which give us energy.
    • Example: Eating potatoes gives us energy to run and play.
14. Why is it important to learn about crops?
    • Learning about crops helps us understand where our food comes from and how it helps our bodies.
    • Example: Knowing carrots come from the ground helps us appreciate them more.
15. How can we help prevent soil erosion?
    • Planting trees and grass can help stop soil erosion.
    • Example: Planting grass in a garden helps hold soil in place.