WELCOME TO SCIENCE YEAR 4

EXCERCISES

Excercise Unit 5

1. Which of the following objects can be recycled?
i. Plastic bottle
ii. Glass bottle
iii. Food waste
iv. Newspaper
A. i and iv only
B. ii and iv only
C. i, ii and iv only
D. i, ii, iii and iv

2. The picture shows two objects.







choose the correct statement about the object.
i. The object can be reused to keep coins
ii. The object can be reused to contain stationary
iii. The object can be recycled to make a ceramic vase
iv. The object can be recycled to make a new drink can
A. i and iii only
B. ii and iv only
C. i, ii and iv only
D. i, ii, iii and iv

3. The picture shows products of recycling.











The material that can be conserved is
A. wood
B. glass
C. plastic
D. metal

3. Three ways towards better conservations of the environment and the use of materials are to reduce, reuse and _________________.

Excercise Unit 2

1. Diagram below shows animals W, X,Y and Z.


 W Whale
 X Shark
     Y Panda
     Z Snake
Which animals breathe with their lungs?
A. W and X
B. W and Y
C. X, Y and Z
D. W, Y and Z

2. Diagram 6 shows an insect, X.












X breathes through its
A. lungs
B. wings
C. moist skin
D. trachea structure


3. What is meant by defecation?
A. The process to get rid of water from the body.
B. The process of inhaling air into the body
C. The process of removing waste product from the body
D. The process of exhaling air from the body.

4. Humans breathe with their
A. book lungs
B. moist skin
C. trachea
D. lungs





4 comments: