Bio
This organelle is the “powerhouse of the cell”
mitochondria
This is the pH of a neutral solution
7
What is speed with direction
Velocity
This system controls the body using electrical signals
The nervous system
The fastest land animal
cheetah
This molecule stores genetic information
DNA
The smallest unit of an element that retains its properties
atom
Force equals mass times this
acceleration
These vessels carry blood away from the heart
arteries
Why does ice float on water?
It is less dense than liquid water
This process converts glucose into usable energy (ATP)
cellular respiration
This type of bond involves the sharing of electrons
covalent bond
An object in motion stays in motion unless acted on by this
an unbalanced force (Newton’s First Law)
This part of the brain controls decision-making and personality
the frontal lobe
Why do metals feel colder than wood at the same temperature?
They conduct heat away faster
This blood component is responsible for clotting
platelets
The number of protons in an atom is called this
atomic number
This quantity equals mass times velocity
momentum
The tiny air sacs in the lungs where gas exchange occurs
alveoli
This everyday drink is slightly acidic because it contains carbonic acid
soda
This part of the brain controls balance and coordination
cerebellum?
This principle explains why increasing pressure shifts equilibrium
Le Chatelier’s Principle
In physics, what term describes the study of motion without considering cause?
Kinematics
The largest bone in the human body
Femur
Why do we yawn?
To increase oxygen intake or cool the brain