Answers for the Science Notes

P4 Science Notes (Cycles)
Chapter 2: Matter
1) mass, space
2) Mass, balance, kilograms, grams
3) Volume, cylinder, litres, millilitres, cubic centimetres
4) solid, liquid, gas
5) solid
6) liquid
7) gas

P4 Science Notes (Energy)
Chapter 1: Light
1) Energy
2) sources
3) energy, see
4) light sources
5) Sun, stars, lightning, lamps, torches, candles, fireworks
6) reflected
7) mirror
8) Moon, Sun
9) Light, dark
10) glass, plastic, transparent
11) wood, metals, cardboard, opaque
12) glass, tracing, cloth, translucent
13) straight
14) blocks
15) size
16) smaller, bigger
17) length, position
18) east, long
19) short
20) west, long

Chapter 2: Heat and Temperature
1) Temperature, degree Celsius
2) thermometer
3) mercury
4) clinical, 36.9, rise
5) energy
6) solid, liquid, gas, gains, loses
7) gains
8) milk, water, water, milk, same
9) gain, loss
10) Sun
11) heat
12) toaster, hair dryer, electric iron, rice cooker
13) expands, contracts
14) expand, metal, glass
15) expands, contracts
16) inflated, air
17) deflated, air
18) expand, contract
19) air, expands
20) expansion
21) contraction
22) longer, shorter
23) heat
24) temperature, state, volume
25) conductors
26) Good
27) metals
28) conduction
29) iron, aluminium, stainless steel
30) Poor
31) wood, cotton, plastics, wool
32) handles
33) heat
34) hot, cold
35) poor
36) heat loss