Master Key Revision: Essential Primary 4 Science Questions Answered

Comprehensive Revision Exercise

Subject: Basic Science and Technology

Class: Primary 4

Term: Second Term

Part A: Review and Revision (FAQs with Answers)

1. What is a home?
   A home is a place where family members live together.
2. Name three parts of a home.
   Sitting room, bedroom, kitchen.
3. What is body hygiene?
   Body hygiene is the way we keep our bodies clean to stay healthy.
4. Name two ways to practice body hygiene.
   Bathing regularly and brushing teeth twice daily.
5. What is a kitchen?
   A kitchen is a room where food is prepared, cooked, and served.
6. Name four items found in the kitchen.
   Cooker, sink, refrigerator, pots.
7. What are household pests?
   Household pests are insects and animals harmful to humans and their environment.
8. Name two types of household pests.
   Cockroaches and mosquitoes.
9. What is cooking?
   Cooking is the process of preparing food for eating.
10. Name four methods of cooking.
    Boiling, frying, steaming, grilling.
11. What is grilling?
    Grilling is a method of cooking food using direct heat.
12. Name one food prepared using the grilling method.
    Suya.
13. What is roasting?
    Roasting is cooking food over dry heat, usually on a fire or in an oven.
14. Name a food prepared using the roasting method.
    Corn.
15. Name two household pests that suck blood.
    Mosquitoes and bedbugs.
16. Which household pest does not suck blood?
    Houseflies.
17. What is refuse?
    Refuse is waste material that is no longer needed.
18. What is one usefulness of refuse?
    It can be recycled.
19. What does body hygiene help us achieve?
    It helps us stay healthy and free from diseases.
20. Name two items used to keep the kitchen clean.
    Mop and broom.

Part B: Objective Questions (Fill-in-the-Blanks)

1. A place where family members live is called a ______.
   (a) surrounding (b) environment (c) home (d) garden
2. Which of the following is not a part of a home?
   (a) sitting room (b) bedroom (c) toilet (d) guard room
3. The process of keeping the body clean is known as ______.
   (a) body caring (b) body hygiene (c) body fitness (d) body massage
4. ______ is not a way to practice body hygiene.
   (a) Regular bath (b) Washing mouth (c) Sleeping with sweat (d) Wearing suitable clothes
5. A ______ is where we prepare and serve food.
   (a) dining room (b) kitchen (c) bedroom (d) bathroom
6. ______ is not used to clean the kitchen.
   (a) water (b) mop (c) broom (d) sewage
7. ______ are insects and animals harmful to humans.
   (a) Household pests (b) Household animals (c) Household insects (d) Household parasites
8. ______ is not a household pest.
   (a) bee (b) mosquito (c) bedbug (d) ant
9. Household pests can be destroyed using ______.
   (a) insecticides (b) pesticides (c) traps (d) littering food on the floor
10. The two types of waste are ______ and ______.
    (a) organic and solid (b) organic and refuse (c) inorganic and solid (d) organic and inorganic

Part C: Theory Questions

1. Define a home.
2. Name three places in a home.
3. What is body hygiene?
4. List two ways to practice body hygiene.
5. Define a kitchen.
6. Name four items found in the kitchen.
7. Define household pests.
8. State two types of household pests.
9. What is cooking?
10. List four methods of cooking.

Part D: True or False Questions

1. A home is where strangers live. (False)
2. A kitchen is used to prepare food. (True)
3. Mosquitoes are household pests. (True)
4. Regular bathing is not important for hygiene. (False)
5. Refuse can be recycled. (True)
6. Corn can be roasted. (True)
7. Houseflies suck human blood. (False)
8. Grilling is done using direct heat. (True)
9. All pests are helpful to humans. (False)
10. Body hygiene keeps us healthy. (True)

Part E: Fill-in-the-Gaps Questions

1. A place where family members live is called ______.
2. ______ is the process of keeping the body clean.
3. A ______ is a room where food is prepared.
4. ______ is the method of cooking with direct heat.
5. Refuse can be ______ to create new items.
6. ______ are harmful insects found in homes.
7. ______ and ______ are examples of household pests.
8. Body hygiene helps us avoid ______.
9. Food like suya is cooked using the ______ method.
10. A kitchen should always be kept ______.

This revision exercise is comprehensive, engaging, and structured to ensure students are well-prepared.