Photosynthesis and carbon cycle
What is a byproduct of photosynthesis
Oxygen
What element has the chemical sign of B
Boron
What is volume
The amount of space the object or substance takes in a 3d world
What is a leaf
A leaf is part of a plant that's usually green and attached to it by a stem or stalk
What is the least reactive metal on the reactivity series?
Gold (Au)
what is the purpose of the phloem
moves substances that the plant has produced by photosynthesis
what perdiodic element has the chemical symbol Ne
Neon
What is the formula to calculate density
M
D V
what is the purpose of guard cells
control the rate of transpiration
whats the most reactive metal in the reactivity series
pottasium (>-<)
where do plants get most of their nutrients from
Soil :D
What element has the sign Ar
Argon
An object has a mass of 570 g and a volume of 2280 cm³. Calculate its density.
0.25gm/cm³
what is the purpose of the xylem in a leaf
transporting water and dissolved minerals throughout the plant
which one is more reactive magnesium or alluminium
magnesium
what is the carbon cycle explain in basic terms
nature's way of reusing carbon atoms.
what element has the chemical sign Ba
What is density?
Density describes how closely packed the particles are in a solid, liquid or gas.
what is the purpose of photosynthesis
to convert solar energy into chemical energy and then store that chemical energy for future use
how many elements are there in the reactivity series
14
Why are leaves green
Chlorophyll, the primary facilitator of photosynthesis, absorbs blue and red light and reflects green light.
What element has the chemical sign Am
Americium
A cube has side length 8 cm and has a mass of 960 grams. Work out the density of the cube, in g/cm³.
1.875 g/cm³
what are guard cells called in a leaf
parenchyma cells
Recite reactivity series from most to least reactive excluding gasses
Pottasium, Sodium, Calcium, Magnesium, Aluminium, Zinc, Iron, Tin, Lead, Copper, Silver, Gold