Grade 11 Foreign Language Worksheet: Energy Word Problems

Energy Word Problems

Grade 11 Foreign Language Energy Word Problems Easy 20 Questions 23 Views

Classroom Worksheet

Grade 11 Foreign Language Worksheet: Energy Word Problems

Energy Word Problems

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Grade: Grade 11

Subject: Foreign Language

Topic: Energy

Time: 20 Minutes

Difficulty: Easy

Questions: 20

Instructions:
Read each word problem carefully and answer in complete sentences. Show your work when needed. Use the vocabulary of energy, power, heat, and electricity in English.

Skills Practiced:

Energy
Foreign Language
Critical Thinking
Problem Solving

1Question

A class is discussing energy sources. Which type of energy comes from the sun: solar energy or wind energy?

2Question

If a flashlight uses electricity to make light, what kind of energy is the flashlight using at the start?

3Question

A student eats a banana before soccer practice. What type of energy does the banana give the student?

4Question

A lamp is turned on in a room. What is one form of energy the lamp gives off?

5Question

A fan runs for 2 hours. If it uses 50 watts, is it using more energy than a 25-watt fan running for the same time?

6Question

A heater warms a classroom. Is heat a form of energy: yes or no?

7Question

A machine uses 10 units of energy in 1 hour. How many units of energy does it use in 3 hours if it works at the same rate?

8Question

A phone battery has 100% charge in the morning and 75% charge later. How much battery charge was used?

9Question

A bike rider uses human energy to move faster. What is another word for human energy in this context?

10Question

A classroom projector uses 120 watts. A second projector uses 80 watts. Which one uses less power?

11Question

A student leaves a light on for 4 hours instead of 1 hour. How many times longer is the light on?

12Question

A water bottle is placed in the sun. The bottle becomes warm. What energy change is happening?

13Question

A speaker uses 15 watts for 2 hours. How many watt-hours of energy does it use?

14Question

A heater uses 60 watts for 5 hours. How many watt-hours of energy does it use?

15Question

Two fans run for the same time. Fan A uses 40 watts and Fan B uses 70 watts. Which fan uses more energy, and by how many watts of power?

16Question

A student reads that a wind turbine changes moving air into electricity. What is the energy source before the change?

17Question

A classroom uses 200 watts of power for 3 hours. How much energy does it use in watt-hours?

18Question

A phone charger uses 12 watts. It is plugged in for 6 hours. How much energy is used in watt-hours?

19Question

A solar panel makes 50 watt-hours of energy in the morning and 30 watt-hours in the afternoon. How much energy does it make in total?

20Question

A student says, 'Using less electricity helps save energy.' Explain this idea in one simple sentence.

Answer Key

#	Answer
1	Solar energy comes from the sun.
2	It is using electrical energy at the start.
3	The banana gives the student chemical energy.
4	The lamp gives off light energy.
5	Yes, the 50-watt fan uses more energy than the 25-watt fan in the same time.
6	Yes, heat is a form of energy.
7	30 units of energy.
8	25% of the battery charge was used.
9	Muscle energy or body energy.
10	The 80-watt projector uses less power.
11	It is on 4 times longer.
12	Solar energy is changing into heat energy.
13	30 watt-hours.
14	300 watt-hours.
15	Fan B uses more energy, by 30 watts of power.
16	The energy source before the change is wind energy or moving air energy.
17	600 watt-hours.
18	72 watt-hours.
19	80 watt-hours in total.
20	Using less electricity helps save energy because it reduces the amount of power used.