Primary 4 Basic Science First Term

First Term Examination – Primary 4 Basic Science

Name: __________________________ Class: __________ Date: __________

SECTION A: OBJECTIVE (40 Marks)

Instructions: Answer all questions. Choose the correct option (a, b, or c).

A plant is a ______ thing. (a) living (b) non-living (c) tree
A goat is an example of a ______. (a) plant (b) animal (c) soil
The young one of a hen is called ______. (a) calf (b) chick (c) kid
Rain and sunshine are examples of ______. (a) weather (b) food (c) soil
A change that can be reversed is called ______. (a) permanent (b) temporary (c) natural
Burning paper is an example of ______. (a) temporary change (b) permanent change (c) reversible change
The process where a seed begins to grow is called ______. (a) sprouting (b) germination (c) flowering
The young one of a goat is called ______. (a) calf (b) kid (c) puppy
The resting stage in complete metamorphosis is called ______. (a) larva (b) pupa (c) adult
Weather means the condition of the ______ at a place and time. (a) soil (b) air (c) water
A thermometer measures ______. (a) rainfall (b) temperature (c) wind speed
The symbol ☁ means ______. (a) sunny (b) cloudy (c) rainy
A person who studies weather is called a ______. (a) meteorologist (b) doctor (c) geographer
Water has no ______. (a) colour (b) use (c) importance
Clothes drying in the sun is an example of ______. (a) freezing (b) evaporation (c) condensation
The main source of light on earth is the ______. (a) moon (b) sun (c) torchlight
Snakes change their skin by ______. (a) moulting (b) swimming (c) eating
The larva of a butterfly is called ______. (a) grub (b) caterpillar (c) maggot
Farmers use weather records to ______. (a) plant crops (b) watch TV (c) travel abroad
Steam turning into water drops is called ______. (a) condensation (b) evaporation (c) freezing

SECTION B: THEORY (60 Marks)

Instructions: Answer three questions only (1a & b, 2a & b, etc.). Each question carries 10 marks.

(a)Define “weather”.
(b)List three factors that affect weather.
(a)Explain the difference between temporary and permanent changes with two examples each.
(b)Why is rusting of iron a permanent change?
(a)Describe the life cycle of a butterfly in four stages.
(b)Give two examples of insects that undergo incomplete metamorphosis.
(a)List three conditions necessary for plant growth and explain their importance.
(b)Why do some trees shed their leaves during dry seasons?
(a)Name three weather instruments and state their uses.
(b)How can you improvise a simple rain gauge?
(a)Differentiate between evaporation and condensation with one example each.
(b)What happens to water when it is frozen?