General Science Grade III
STUDENT ‘S LEARNING OUTCOME. (SLO)
Demonstrate the dissimilar forms of Energy.
Define the Heat.
Define the Light.
Define the sound.
Differentiate betwixt transparent, translucent too opaque objects.
INFORMAATION FOR TEACHER
Teacher knows:
● WHAT IS ENERGY?
Force or vigour of expression.
● Forms of energy.
Heat, calorie-free too audio are dissimilar forms of energy.
● HEAT
Heat keeps the things warm. By heating solids alter into liquid too liquid into gas.
● LIGHT
Light helps us to see. Light travels inwards a forthwith line
● SOUND
1. To blow, to strike too to milkshake are such actions which attain sounds.
2. Sound is produced yesteryear vibrations.
● Transparent objects.
Bodies, through which calorie-free completely passes are called transparent objects.
● Translucent objects.
Bodies, through which calorie-free tin partially pass, are called translucent objects.
● Opaque objects.
Bodies, through which calorie-free cannot top at all are called opaque objects.
DURATION:
8 periods / twoscore minutes
MATERIAL REQUIRED:
Sprit lamp, tally stick, slice of ice, candles, cardboards, torch, bell etc.
DEVELOPMENT
Activity: 1.
Put approximately H2O ice pieces inwards a pot too oestrus it yesteryear a spirit lamp.
→ What is the number of oestrus on ice?
→ Has the H2O ice changed into water?
Now oestrus the H2O more.
→ Does whatever alter at nowadays occur due to heat?
→ Does the H2O start taking the cast of steam?
Yes steam starts coming out of H2O too increases slow too at final the whole of the H2O is changed into steam.
By heating a alter tin endure produced inwards the the world of affair i.e. corporation on heating alter into liquid too liquid when heated changes into gas.
Activity: 2
Take iii like cardboards. Make holes inwards all these at the same height. Keep them inwards a forthwith work around the border of the tabular array every bit shown inwards the figure. Light the candle on i side of the cardboard too endeavour to encounter it from the other side.
→ Do y'all encounter the flame?
Now movement whatever i of these cardboards on the left or correct side.
→ Do y'all nonetheless encounter the flame?
→ If your respond is inwards negative, hence why does this plough over off so?
Light travels inwards a forthwith line. If whatever obstruction comes on the way, it stops there.
Activity: 3
Strike the bell amongst atomic number 26 rod.
→ Do y'all listen whatever sound?
Touch the bell.
→ Do noise every bit good attain inwards it?
SOUND IS PRODUCED BY VIBRATIONS.
ASSESSMENT:
Give the students next questions too enquire them to state the respond individually.
→ What is the number of oestrus on ice?
→ Has the H2O ice changed into water?
Now oestrus the H2O more.
→ Does whatever alter at nowadays occur due to heat?
→ Does the H2O start taking the cast of steam?
→ Do y'all encounter the flame?
Now movement whatever i of these cardboards on the left or correct side.
→ Do y'all nonetheless encounter the flame?
If your respond is inwards negative, hence why does this plough over off so?
Strike the bell amongst atomic number 26 rod.
→ Do y'all listen whatever sound?
Touch the bell.
→ Do noise every bit good attain inwards it?
FOLLOW UP / HOME WORK
Write these questions on the board too enquire the students to Federal Reserve notation downward on their Federal Reserve notation books.
● WHAT IS ENERGY?
( Students’ response: Force or vigour of expression.)
● Forms of energy.
(Students’ response: Heat, calorie-free too audio are dissimilar forms of energy.)
● HEAT
(Students’ response: Heat keeps the things warm. By heating solids alter into liquid too liquid into gas.)
● LIGHT
(Students’ response: Light helps us to see. Light travels inwards a forthwith line)
 |
● SOUND
(Students’ reply : 1. To blow, to strike too to milkshake are such actions which attain sounds.
2. Sound is produced yesteryear vibrations. )
● Transparent objects.
(Students’ reply : Bodies, through which calorie-free completely passes are called transparent objects.)
● Translucent objects.
(Students’ reply : Bodies, through which calorie-free tin partially pass, are called translucent objects. )
● Opaque objects.
(Students’ reply : Bodies, through which calorie-free cannot top at all are called opaque objects.)
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