1.The measuring instrument in the photo is a/an __ .

• ammeter

• ohmmeter

• multimeter

• voltmeter

2 The three grey balls in the structure of the atom are____

• protons

• neutrons

• electrons

• ions

3. Most wires are made out of ___ because it conducts electricity with high flexibility and very little resistance.

• copper

• carbon

• silver

• zink

4.Tyres are made of...

• Styrofoam

• rubber

• leather

• latex

5.The tool in the photo is called a ___ .

• hacksaw

• jigsaw

• frame saw

• pit-saw

6 A __ has a narrow vertical blade for cutting curves, complex patterns, etc.

• hacksaw

• jigsaw

• frame saw

• pit-saw

7 A/ An ___ is an electrical device for making or breaking or changing the connections in a circuit.

• commutator

• cutout

• on/off switch

• electrical switch

Tags

CCSS.RI.11-12.3

CCSS.RI.11-12.5

CCSS.RI.8.3

CCSS.RI.9-10.3

CCSS.RI.9-10.5

8 The picture shows a/an ___ diagram.

• ladder

• schematic

• one-line

• combination

9. The material that is NOT used in electrical insulation is ___

• aluminium

• porcelain

• PVC

• laminate

10. There are seven base units in the international system of units. Which one is NOT among them?

• kelvin

• candela

• kilogram

• coulomb