Available Answers

1. 1.

   Match the columns.

   Tool	Occupation
   1. Stethoscope	a. Electrician
   2. Frying pan	b. Tailor
   3. Screwdriver	c. Gardener
   4. Needle and thread	d. Doctor
   5. Comb	e. Chef
   6. Spade and shovel	f. Hair dresser

    

2. 2.

   Fill in the blank.

   1. We use ___________________ to see in the dark.
   2. A handle is attached to a door with the help of a ___________________.
   3. A ___________________ helps an astronomer to see celestial bodies.
   4. A ___________________ is an example of a machine.
3. 3.

   What type of simple machine are the following?

   1. Roller skate
   2. Flag
   3. Bottle opener
   4. Knife
4. 4.

   How do simple machines help us? Explain with the help of two examples.

5. 5.

   Write T for true and F for false statements.

   1. An inclined plane is circular in shape.
   2. A pair of scissors is an example of a lever.
   3. An inclined plane helps you to slide objects easily.
   4. A sliding board is an example of a lever.
   5. A pulley is used for lifting or moving things with less effort.
6. 6.

   How does a pair of tongs work?