Grade 10 Chemistry Worksheet: Electricity Assessment Prep

Electricity Assessment Prep

Grade 10 Chemistry Electricity Assessment Prep Very Easy 50 Questions 26 Views

Classroom Worksheet

Grade 10 Chemistry Worksheet: Electricity Assessment Prep

Electricity Assessment Prep

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Date________________

Score______ / 50

Grade: Grade 10

Subject: Chemistry

Topic: Electricity

Time: 20 Minutes

Difficulty: Very Easy

Questions: 50

Instructions:
Read each question carefully and answer in complete sentences when needed. Work through the questions in order. They begin with very easy recall and gradually become a little more challenging. This worksheet is for classroom practice and assessment preparation.

Skills Practiced:

Electricity
Chemistry
Critical Thinking
Problem Solving

1Question

What is electricity?

2Question

What is a simple unit used to measure electric current?

3Question

What type of particles carry electric current in metals?

4Question

What do we call a material that lets electricity pass through it easily?

5Question

What do we call a material that does not let electricity pass through it easily?

6Question

Name one common conductor.

7Question

Name one common insulator.

8Question

What is an electric circuit?

9Question

What symbol is often used for current in formulas?

10Question

What symbol is often used for voltage?

11Question

What symbol is often used for resistance?

12Question

What is the unit of voltage?

13Question

What is the unit of resistance?

14Question

What does a battery do in a circuit?

15Question

What device is used to measure current?

16Question

What device is used to measure voltage?

17Question

What happens to current in a complete circuit?

18Question

What happens in an open circuit?

19Question

What is resistance?

20Question

Does resistance make current flow more easily or less easily?

21Question

In a simple series circuit, are components connected in one path or many paths?

22Question

In a series circuit, what happens if one bulb breaks?

23Question

What is the flow of electrons called?

24Question

What kind of current does a battery provide in a simple circuit?

25Question

What is a switch used for?

26Question

When a switch is closed, is the circuit complete or incomplete?

27Question

When a switch is open, is the circuit complete or incomplete?

28Question

What is meant by a circuit diagram?

29Question

What does a lamp or bulb do in a circuit?

30Question

What does a resistor do in a circuit?

31Question

State Ohm’s law in words.

32Question

Write Ohm’s law using symbols.

33Question

If voltage stays the same and resistance increases, what happens to current?

34Question

If resistance stays the same and voltage increases, what happens to current?

35Question

What is static electricity?

36Question

What is a common effect of static electricity?

37Question

Why are some wires covered with plastic?

38Question

Which part of a metal wire mainly allows current to flow, the electrons or the protons?

39Question

What happens to resistance in a longer wire, compared with a shorter wire of the same material?

40Question

What happens to resistance in a thicker wire, compared with a thinner wire of the same material?

41Question

Name the device that can be used to switch a circuit on and off automatically.

42Question

What is electrical energy converted into in a heater?

43Question

What is electrical energy converted into in a motor?

44Question

What is the main role of a fuse in a circuit?

45Question

What is the main role of a circuit breaker?

46Question

Why should electrical appliances not be used with wet hands?

47Question

What type of circuit is used in most homes, series or parallel?

48Question

Why are home circuits usually parallel?

49Question

If two bulbs are connected in parallel and one goes out, what happens to the other bulb?

50Question

What is one reason copper is used in electrical wires?

Answer Key

#	Answer
1	Electricity is the movement of electric charges.
2	The ampere (A).
3	Electrons.
4	A conductor.
5	An insulator.
6	Copper.
7	Plastic.
8	A complete path through which electric current can flow.
9	I.
10	V.
11	R.
12	Volt (V).
13	Ohm (Ω).
14	It provides electrical energy and voltage.
15	An ammeter.
16	A voltmeter.
17	Current can flow.
18	Current cannot flow.
19	Resistance is the opposition to the flow of electric current.
20	Less easily.
21	One path.
22	The whole circuit stops working.
23	Electric current.
24	Direct current (DC).
25	To open or close a circuit.
26	Complete.
27	Incomplete.
28	A drawing that uses symbols to show how a circuit is connected.
29	It changes electrical energy into light energy and heat.
30	It reduces the current.
31	Voltage equals current multiplied by resistance.
32	V = IR.
33	Current decreases.
34	Current increases.
35	A build-up of electric charge on an object.
36	Small objects may be attracted or there may be a spark.
37	Plastic is an insulator that helps prevent electric shocks.
38	The electrons.
39	Resistance increases.
40	Resistance decreases.
41	A switch or relay, depending on the circuit.
42	Heat energy.
43	Movement or kinetic energy.
44	To protect the circuit by breaking it if the current is too large.
45	To protect the circuit by stopping the current if it becomes too large.
46	Water can help electricity flow and increase the risk of electric shock.
47	Parallel.
48	So appliances can work independently.
49	The other bulb stays on.
50	Copper is a very good conductor of electricity.