Biology
What is a natural catalyst that speeds up a reaction?
Enzymes
What part of the atom is involved in chemical bonding?
Valence electrons
Which of the following is a physical quantity that has a magnitude but no direction?
Scalar
Which gas is most abundant on Earth?
Nitrogen
Which is the world’s largest living thing? An animal, fungus, plant or bacteria?
Fungus
What are atoms with the same number of protons but different numbers of neutrons called?
Isotopes
In a certain equation, X=Fv where F is the force applied and v is the velocity. What is X?
Power
What Is The Chemical Symbol For Table Salt?
NaCl
What is the longest type of cell in our body?
The nerve cell (neuron)
Which type of instantaneous dipole - induced dipole is the strongest?
Hydrogen bonding
Which of the following is the motion of objects moving in two dimensions under the influence of gravity?
Projectile motion
What Is The Unit Of Measurement For Electrical Resistance?
Ohm
Bananas contain the natural chemical serotonin. How does it make a person feel?
Happy/calm
How do you test for the presence of carbon dioxide in a solution?
Bubble the gas through limewater (calcium hydroxide)
What force(s) is/are acting on an object that is floating on the surface of the sea?
Upthrust/weight
What Is The Layer Of The Atmosphere Where Weather Occurs Called?
Troposphere
What is the pH of human blood?
7.35-7.45
What factor determines the shape/bond angle of a molecule?
Lone pairs & bond pairs
What does the Newton's first law of motion state?
An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force
Which mathematician first said the world wasn't flat, but a sphere?
Pythagoras