1) The accumulation (build up) of excess electric charges a) voltage b) current c) static 2) These are materials in which electrons flow through easily a) insulators b) conductors c) resistance 3) ___ What gets transferred to give an object an electric charge? a) Protons b) neutrons c) electrons d) nucleus 4) Opposite charges a) attract b) repel c) cancel each other out 5) Current electricity is the a) build up of electrons b) flow of neutrons c) a transfer of electrons d) flow of electrons 6) If an object has extra electrons, what type of charge does it have? a) positive b) negative c) neutral charge 7) If a object gives you a shock it must be a a) insulator b) conductor c) negatively charged d) positively charged 8) Lightning is static electricity. What happens? a) electrons move from the ground to the clouds b) electrons move from the clouds to the ground c) Protons move to the ground 9) Which material best conducts electricity. a) paper b) copper pipes c) rubber d) plastic 10) How can you define an insulator? a) A material that won't conduct electricity b) A material that conducts electricity. 11) What happens when we close a switch on a circuit? a) The light will light up. b) The light will go off. c) nothing changes 12) What is needed to make an electromagnet? a) wires, lights, and batteries b) wires, iron nail, batteries c) magnets, wires, and lights 13) How can I make an electromagnet stronger? a) Add more light bulbs b) add more coils around the nail c) Add a smaller battery d) add more magnets 14) A blender is an example of electrical to - a) mechanical b) thermal c) radiant 15) What items are needed to make a circuit? a) battery, nails, wires b) battery, lights, magnets c) battery, wires, lights d) battery, magnets, lights

Static Electricity

Afdrukken
Embedden

Scorebord

Visuele stijl

Opties

Template wisselen

Automatisch opgeslagen activiteit "" herstellen?