6. Stone Age : Stone Tools | EVS II | Class 5

The blog discusses the Questions and Answers from the lesson 6,Stone Age : Stone Tools, Environmental Science, Part 2, from Class 5. Students can use these answers for reference in their studies.

Q1. Fill in the blanks :

(a) The period of which the tools that we find are mainly made from stone, is called the Stone age. (Copper age, Iron age, Stone age)

(b) Gangapur near Nashik is a well known Old Stone Age site in Maharashtra. (Gangapur, Sinnar, Chandwad)

Q2. Find out the odd pair from the following :

(a) Rajasthan – Bagor
(b) Madhya Pradesh – Bhimbetka
(c) Gujarat – Langhnaj
(d) Maharashtra – Bijapur

Ans. (d) Maharashtra – Bijapur

Q3. Answer the following questions in brief.

(a) How did man use the percussion technique ?

Ans. Man used the percussion technique as follows :
i. Man in the Old Stone Age made use of the percussion technique to make their tools.
ii. The percussion technique involves beating or striking one large pebble against another to obtain stone flakes.

(b) What revolution was brought about by Homo sapiens in the tool-making technique ?

Ans. Homo sapiens brought about a revolution in the tool-making technique as follows :
i. He devised a technique of obtaining long and narrow blades of stone.
ii. He made various implements like knife, scraper, borer and chisel from the long blades.
iii. He also began to use ivory and rare stones of the quartz variety for making tools and other articles.

Q4. Compare the tools from three periods in the Stone Age.

Ans.

Q5. Which of the modern machines has stone grinders.
(a) Mixer
(b) Flour mill
(c) Juicer

Ans. Flour mill

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