Skills 4.1

Read the text and answer the questions.

What lever can pull out nails?

• scissors

• seesaw

• board

• hammer

Read the text and circle the objects which are levers.

• scissors

• seesaw

• board

• hammer

Read the text and choose all the examples of wheel and axle.

• doorknob

• car

• light bulb

• Ferris

Read the text and answer the question.

What is a wheel and axle?

• complex machine

• Modern invention

• simple machine

• Vehicle

Write one example of wheel and axle

Read the text and answer the question.

What is a screw?

• It is a lamp

• It is a complex machine we use every day

• it is a ramp that wins around and around

• It is a light bulb you use

Read the text and answer the question.

Would it be easy to keep things without screws?

• Yes, It would

• No, It can

• No, it wouldn't

• Yes, it can

Read the text and choose all the examples of screw

• light bulb

• some pens

• jar lids

• seesaw

Read the text and write the answer.

What is a wedge?

Read the text and write down some examples of wedge.