Deepening Concepts
Acids, Bases & Motion
96.2%
NCERT coverage
17
Direct matches
8
Semi matches
12
Sensors used
12
Chapters
Sensors used in Class 7
Introduction to Curiosity
Scientific method, inquiry, observation skills
0
activities
Introductory chapter
Exploring Substances: Acidic, Basic, and Neutral
Acids, bases, indicators, pH scale, neutralisation
3
activities
Lemon "Juice"
Measure pH of household substances — directly maps to acid/base identification
Acid Rain
Effect of acid on pH — extends understanding of acids
Household Acids and Bases
Classify household substances by pH — core topic match
Electricity: Circuits and Components
Electric circuits, conductors/insulators, symbols, open/closed circuits, cells, switches
2
activities
Ohm's Law
Basic circuit with battery and bulb — measure V and I
Electromagnets
Build circuit with electromagnet — teaches components
The World of Metals and Non-metals
Properties of metals/non-metals, conductivity, malleability, reactivity
1
activities
Conductivity of Solutions
Test conductivity of metal salt solutions — relates to metallic properties
Changes Around Us: Physical and Chemical
Physical vs chemical changes, reversible/irreversible, indicators of chemical change
2
activities
Endothermic and Exothermic
Measure temperature change in reactions — indicator of chemical change
A Good Cold Pack
Endothermic dissolution — physical/chemical change demo
Adolescence: A Stage of Growth and Change
Puberty, hormones, reproductive health, growth
1
activities
Heart Rate and Exercise
Changes during physical activity — relates to body changes during adolescence
Heat Transfer in Nature
Conduction, convection, radiation, insulators, conductors of heat
4
activities
A Good Sock
Compare insulation of materials — directly tests heat conductors/insulators
Absorption of Radiant Energy
Measure radiant heat absorption by different surfaces
Reflectivity of Light
Light reflection and heat — relates to radiation
Heating of Land and Water
Differential heating rates — convection concept
Measurement of Time and Motion
Measurement of time, speed, distance, uniform/non-uniform motion
3
activities
Graphing Your Motion
Create distance-time graphs — directly maps to motion concepts
Speeding Up
Measure acceleration — non-uniform motion
The Indy 100
Race and measure speed — distance, time, speed calculation
Life Processes in Animals
Nutrition, digestion, respiration, circulation, excretion in animals
2
activities
Heart Rate and Body Position
Measure heart rate — circulation in animals
Heart Rate and Exercise
Exercise effect on heart rate — respiration and circulation
Life Processes in Plants
Photosynthesis, respiration, transpiration, transport in plants
3
activities
Yeast Beasts in Action
CO2 production in fermentation — relates to respiration
Photosynthesis and Respiration (BwV-31C)
Measure CO2/O2 exchange in plants — directly maps
Transpiration
Measure water loss from leaves
Light: Shadows and Reflections
Light sources, shadows, reflection, plane mirrors, pinhole camera
2
activities
Reflectivity of Light
Measure light reflected by different surfaces
Light Intensity (inverse square)
How light intensity changes with distance — shadow formation concept
Earth, Moon, and the Sun
Phases of moon, eclipses, tides, seasons, rotation/revolution
2
activities
What Causes the Seasons?
Light angle and intensity — explains seasons
Solar Homes
Solar energy — Sun as energy source
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