Second Term Revision and Readiness Test Basic Science Primary 3 Second Term Lesson Notes Week 1
1. “Meter is a unit for measuring ……………………………………………………..……………………….”
Answer: Length
Explanation: A meter is a unit used to measure length. For example, we use a meter to measure how long a book or a table is.
2. “Mass simply means ……………………………………………………………………………………………”
Answer: Amount of matter in an object
Explanation: Mass is how much stuff (matter) is in something. If you have a bag of apples, the mass is how heavy the bag is.
3. “Time is measured in …………………………………………………………………………………………..”
Answer: Seconds, minutes, and hours
Explanation: We measure time in seconds for short periods, minutes for a bit longer, and hours for even longer periods. For example, how long you play a game is measured in time.
4. “………………………………… is the amount of matter a body contains.”
Answer: Mass
Explanation: The amount of stuff (matter) in an object is called mass. A big rock has more mass than a small pebble.
5. “Simple pendulum, wristwatch, and handset are methods of measuring …………………..”
Answer: Time
Explanation: We use a simple pendulum, a wristwatch, or a handset (like on a clock or phone) to measure time. These help us know when to do different activities during the day.
6. “………………………………… is the duration in which all things happen.”
Answer: Time
Explanation: Time is how long things take to happen. It’s like the duration of a story or a game.
7. “List two natural sources of light. ………………………………. …………………………………….”
Answers:
- Sun
- Stars
Explanation: The sun and stars are natural sources of light. They give us light during the day and night.
8. “……………………………. Is a piece of glass which reflects light and produces images.”
Answer: Mirror
Explanation: A mirror is like a special piece of glass that can reflect light. When you look in a mirror, you see a reflection of yourself.
9. “The two forms of technology are: …………………………………………………… …………………….”
Answers:
- Simple Technology
- Complex Technology
Explanation: Technology comes in simple forms (like using a spoon) and complex forms (like computers or smartphones).
10. “………………………. And ………………………… are examples of artificial sources of light.”
Answers:
- Bulb
- Torch
Explanation: Bulbs and torches are things we use to create light. They are artificial sources of light.
11. “What is length? ………………………………………………………………………………………………”
Answer: How long something is
Explanation: Length is like measuring how long a pencil or a piece of string is. It helps us know the size of things.
12. “Give one example of a developed technology product. ………………………………………”
Answer: Smartphone
Explanation: A smartphone is an example of a developed technology product. It can do many things like take pictures, play music, and connect to the internet.
13. “The two types of mirrors are ……………………………….. and …………………………………..”
Answers:
- Plane Mirror
- Concave Mirror
Explanation: Mirrors come in different types. A plane mirror is flat, and a concave mirror curves inward.
14. “Mention two uses of light energy ………………………………………………………………………”
Answers:
- Seeing things
- Photosynthesis in plants
Explanation: Light energy helps us see things, and plants use it for photosynthesis to make food.
15. “Hoe and cutlass are examples of ……………………………………………. Technology”
Answer: Simple Technology
Explanation: Tools like a hoe and cutlass are examples of simple technology. They help people do work in farming.