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WorksheetsEnergy Sources and Uses (Controlled Test)
Total questions: 27
Worksheet time: 14mins
Mothopo o mogolo wa enetši mo Lefaseng ke ofe?
Phefo
Mohlagase
Letšatši
Mollo
Ke efe ya tše di latelago yeo e šomišago enetši ya mohlabagase?
Kerese
Paesekele
Thostara
Hamola
Ke mohuta ofe wa enetši o petiri e a bolokago?
Enetši ya phišo
Enetši ya dikhemikhale
Enetši ya modumo
Enetši ya seetša
Ke selo sefe seo se fetošago enetši ya mohlabagase gore e be enetši ya seetša?
Kerese
Totšhe
Kota
Letšatši
Ke enetši efe yeo šomišwago go apea dijo mo setofong?
A. Enetši ya modumo
B. Enetši ya phišo
C. Enetši ya seetša
Seswantšho se se lego ka mo tlase se bontšha mohlala wa enetši ya…………
Seetša
Phišo
Mosepelo
Modumo
Ke karolo efe ya paesekele yeo e e thušago go šuthela pele?
Matsogoana a go itshwareletša
Leotwana
Madulo
pelle
Go direga eng ge o kgorometša hwidinýa?
E a ema
E a bonega
E a šutha
E a thubega
Ke efe ya tše ,yeo e lego tshepediso yeo e dirišago enetši ya go sepela?
Phentsele
Fene
Puku
Rulara
Match Column A with Column B. Write only the letter of the correct answer next to the number in Column C. Example: 2.4. F Column A: Seyalemoya (Image: radio) Column B: A. Phisho Column C: 2.1.
A. Phisho
B. Modumo
C. Seetša
Match Column A with Column B. Write only the letter of the correct answer next to the number in Column C. Example: 2.4. F Column A: Lebone (Image: lamp) Column B: B. Modumo Column C: 2.2.
A. Phisho
B. Modumo
C. Seetša
Match Column A with Column B. Write only the letter of the correct answer next to the number in Column C. Example: 2.4. F
A. Phisho
B. Modumo
C. Seetša
Use appropriate words to complete the sentences.
3.1. ____________ e fa dibjalo enetši ya go gola..
Letsatsi
Pula
Moya
Lefatshe
Use appropriate words to complete the sentences.
3.2. Enetši e ka ________________ go tswa go selo se sengwe go ya go se sengwe.
fetolwa
fokotsega
tlala
tshwenya
Food chain e bontsha ka fao ____________ e sepela go tswa go sephedi se sengwe go ya go se sengwe
enetši
metsi
letswai
moya
Use appropriate words to complete the sentences. 3.4. Thelebisene e fetola enetši ya mohlagase go ba enetši ya modumo le enetši ya ____________
seetša
moya
meetse
molekane
Use appropriate words to complete the sentences. 3.5. Batho ba hwetša enetši go tswa go ____________ tseo ba di jago
dijalo
diphoofolo
dijo
dithotse
A radio produces the music you like most by:
Receiving radio waves and converting them into sound you can hear.
Generating music internally without any external signals.
Using light waves to transmit music to your ears.
Sending electrical signals directly to your brain.
4.1 Dibjalo di bohlokwa mo go food chain ka lebaka la eng?
Di dira dijo ka photosynthesis.
Di ja diphoofolo.
Di fetola dijo go ba metsi.
Di dira oksijene fela.
Kerafo e bontšha palo ya meetse ao a lego ka mabotleleng a bogolo le mohuta wo o swanago, go dira marimba. Pentsele e šomišwa go betha mabotlelo, go dira nnto goba medumo ye e fapanego. Ke eng seo se dirwago ka pentsele go dira medumo ye e fapanego ka mabotlelo a meetse?
Pentsele e betha mabotlelo a meetse.
Pentsele e tsenya meetse ka gare ga mabotlelo.
Pentsele e ntšha meetse ka mabotleleng.
Pentsele e betha marimba ka ntle le mabotlelo.
Ke lebotlolo lefe leo le tšweletšago segalo se se phagamego?
Bottle C (since it has the least water, it will produce the highest sound).
Bottle A (since it has the most water, it will produce the highest sound).
Bottle B (since it has a medium amount of water, it will produce the highest sound).
Bottle D (since it is empty, it will produce the highest sound).
Efa lebaka la karabo yeo o e filego go 4.2.1.
A bottle with less water produces a higher sound because there is more air to vibrate.
A bottle with less water produces a lower sound because there is less air to vibrate.
A bottle with more water produces a higher sound because there is more water to vibrate.
A bottle with more water produces a lower sound because there is more air to vibrate.
Sound waves enter the ear through:
Cochlea
Eardrum
Tiny bone
Ear canal
Which object produces sound energy?
Torch
Drum
Bulb
Book
Sound travels through:
Water only
Air only
Solids only
Solids, liquids and gases
Exposing yourself to loud music is a health risk because:
it can damage your hearing over time.
it improves your concentration.
it strengthens your immune system.
it helps you sleep better.
5.5. The picture below shows a person who is in a very noisy environment. Identify any two sources of noise pollution from the options below.
Traffic and construction work
Reading and sleeping
Painting and gardening
Cooking and cleaning
