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WorksheetsSTEM Bowl
Total questions: 28
Worksheet time: 14mins
What is the energy with 3 phosphate bonds?
(a)
What is the word we use to describe the cell membrane that allows things like water and oxygen to move through it.
(a)
What is the input in a chemical reaction called?
(a)
The cell structure/organelle which is responsible for the sorting and shipping of molecules such as proteins to areas outside the cell?
(a)
Which of the following cells is more ancient: a prokaryotic cell or a eukaryotic cell
eukaryotic cell
prokaryotic cell
What is the main product of photosynthesis?
(a)
Arrange the following metabolic pathways in the order used to catabolize a molecule of glucose to produce energy:
electron transfer phosphorylation (aka, electron transport chain), Kreb’s Cycle (aka, citric acid cycle), Glycolysis
Electron transfer phosphorylation (aka, electron transport chain), Kreb’s Cycle (aka, citric acid cycle), Glycolysi
Glycolysis, Kreb’s Cycle (aka, citric acid cycle), Electron transfer phosphorylation (aka, electron transport chain)
Electron transfer phosphorylation (aka, electron transport chain), Glycolysis,Kreb’s Cycle (aka, citric acid cycle)
Kreb’s Cycle (aka, citric acid cycle), Electron transfer phosphorylation (aka, electron transport chain), Glycolysis
Photosynthesis is the anabolic process that is utilized by all autotrophs to make food. The process is governed by two major reactions or cycles one of which is the light dependent reaction. What is the name given for the second reaction or cycle?
(a)
The organic materials which are utilized by cells to catalyze or alter the rate of chemical reactions are called?
(a)
Which of the following is characterized as having a more complex arrangement or is characterized as having a higher order of organization (emergent properties)?
Cells
Tissues
Organs
Organ system
Community
If 1000 kilojoules (KJ) of energy is produced by autotrophs in a particular ecosystem, how much energy will be transferred to the secondary consumer in a food chain?If 1000 kilojoules (KJ) of energy is produced by autotrophs in a particular ecosystem, how much energy will be transferred to the secondary consumer in a food chain?
(a)
Solve the following (x+1)(x-3)
x2-2x-3
x2-2x+3
X2 -4x+3
X2 x+4x+3
Simplify the following polynomial: (9x-6)-(-5x+7)
4x-1
14x-13
2x-11
4x+11
The E in PEMDAS stands for what?
Equation
Equal
Exponent
Expression
10,000 nanograms converts to how many micrograms
1 micrograms
10 micrograms
100 micrograms
1000 micrograms
Balance the following equation: H2SO4 + NaOH--> Na2SO4 + H2O
H2SO4 + 4NaOH ---> Na2 +H2O
5H2SO4 + 2NaOH ---> Na2SO4 + 2H2O
2H2SO4 + 3NaOH ---> Na2SO4 + 4H2O
H2SO4 + 2NaOH ---> Na2SO4 + 2H2O
The type of bond that would be formed between sodium and chlorine is covalent
True
False
The type of bond that would be formed between aluminum and bromine is ionic
True
False
Is this a chemical or physical reaction?
chemical
physical
True or false: Liquids have a fixed volume but they don’t have a fixed shape
True
False
1. Solve ∛343
(a)
1. Simplify 34+31
15
84
243
36
What is the coefficient of third term of the polynomial expression: 7x3 + 5x2 + y2x2
3
1
5
2
The green pigment in plant cells are called?
(a)
85 x +4 = 14 What does x = ?
5
3.2
28.8
16
What is the formula for sodium fluoride?
NaF
2NaF
Na2F
FNa
∣9−2x∣ = 3 Solve for x
x=3
x=6
x=3 and x=6
x = -3
Where does the primary energy for photosynthesis come from?
water
sun
fertilizer
chlorophyll
