Observation of Substances A, B, C, D and E in glucose

Substance	Physical Appearance	Changes observed at 0min	Changes observed after 10min	Inference/Evidence of life
A	Grainy, sandy, brownish	Some of Substance A sank to the bottom of the test tube and the water turned murky	Some of Substance A sank to the bottom of the test tube and the water turned murky	No evidence of life
B	Beige-coloured, small, cylinder-shaped	The water turned a beige colour and became cloudy	The water turned a beige colour and became cloudy	No evidence of life
C	Transparent, round-shaped	Substance C sank to the bottom of the test tube and the water remained transparent	Substance C expanded in size and the water remained transparent	They grew and living things grow
D	Brown, round, small	Substance D sank to the bottom of the test tube and the water remained transparent	Substance D sank to the bottom of the test tube and the water remained transparent	No evidence of life
E	Brown, powdery, sandy	Some of Substance E sank, some floated on the surface, and some in the middle. The water remained transparent	Some of Substance E sank, some floated on the surface, and some in the middle. The water remained transparent	No evidence of life

Substances A(left) and B(right) at 0min

Substances C(left) and D(right) at 0min

Substance E at 0 min

Substances A(left), B(middle) and C(right) after 10min

Substances D(left) and E(right)after 10min