Lower Secondary Science Form 1 : Chapter 1 Exercise Re-Cap

Science Form 1 CHAPTER 1

Note : Copy and do all the objective questions in the exercise book. 

DUE DATE : 08-12-2011( THURSDAY) 

Q.1)	What is the use of crucible?

A.	To filter mixtures of solids and liquids.

B.	To provide a flame.

C.	To hold hot objects.

D.	For heating chemicals.

Q.2)	Science is divided into various fields of study except:

A.

Biology

B.	Literature

C.

Physics

D.

Chemistry

Q.3)	Hazard symbols are used to show the nature of the chemicals. What is the examples of irritant?

A.

Mercury

B.

Lead

C.

Ammonia

D.

Uranium

Q.4)	Secretes hormones to maintain activities of the body.

A.

Endocrine

B.

Excretory

C.

Bisep

D.

Nervous

Q.5)	Matter is made up of very small and __________ particles.

Q.6)

State 1 example of gases. a. ______________

Q.7)  What is released during photosynthesis? A. minerals B. carbon dioxide C. air D. oxygen Q.8)  What are non-metal? A. Hard. B. Soft. C. Shiny surface when polished. D. Good conductor of heat. Q.9)  Which of the following are the examples of inert gases? i. Argon ii. Xenon iii. Oxygen iv. Neon A. i,ii,iii. B. i,iii,iv. C. i,ii,iv. D. i,ii,iii,iv. Q.10)  Which of the following statements is/are true about carbon monoxide? A. Dirties the environment. B. Cause acid rain. C. Brain damage. D. In large quantity, it is fatal. Q.11)  Which of the following are examples of forms of energy? i. Light ii. Chemical iii. Heat iv. Nuclear A. i,ii,iii. B. i,iii,iv. C. i,ii,iv. D. i,ii,iii,iv. Q.12)  Which of the following energy sources are non-renewable? A. Wind B. Geothermal C. Radioactive substances D. Biomass