Biological systems
This is a connective tissue found in many areas of the body. It is found between joints, elbows, knees, ankles and even your nose and ear. It DOES NOT have its own vascular system
cartilage
The atomic number of an element is the number of _______ and ______
Protons and Electrons
Name the force that involves mass and gravity
weight
Is speed a scalar or a vector
scalar
I am the energy source needed for photosynthesis to take place. What am I?
Sun light
The point at which your lungs are at maximum inflation (3 words)
Total lung capacity
What are the 3 (MAIN) elements that make up stainless steel
Iron, Chromium, nickel
Name the unit for:
1. force
2. mass
1. Newton
2. Kilogram (or any other sensible unit)
what is the unit for acceleration
metres per second per second
What are the reactants in photosynthesis
carbon dioxide and water
These are the four components of blood
Plasma, White blood cells, red blood cells, platelets
What is the name of the compound formed (ionic or covalent) When metals react with non-metal
ionic
Name 3 contact forces
any from:
normal force
air resistance
push/pull
tension
friction
'final velocity-initial velocity / time' is the equation for what type of motion
acceleration
Which of the following absorbs the energy required by photosynthesis?
1. Chlorophyll
2. Starch
3. Glucose
chlorophyll
Three reasons the alveoli are well adapted to gas exchange
1. large surface area to volume ratio
2. They have a good blood supply
3. They are moist
What is the name of group 8 on the periodic table and what is it known for
Noble gases
any from:
- they are gases
-they are considered stable as they have a full outer shell of electrons
-they have relatively low boiling points
if an egg is falling from an airplane with a downward force of 625N and the resistive force upward is 345N what is the resultant force and motion
280 Newtons accelerating downward
What is Newtons Second Law (can express as an equation)
Force = mass x acceleration
F= ma
or
the acceleration of an object is directly proportional to the force applied to it and inversely proportional to its mass
What do plants produce in photosynthesis that they NEED to survive and eventually convert to starch
glucose
The term for the amount of oxygen required to remove the lactic acid, and replace the body's reserves of oxygen
oxygen debt
Which of the following pairs of elements would join together with ionic bonding:
1. Iron and sulfur
2. Iron and chromium
3. Hydrogen and sulfurIron and sulfur
Which of Newtons Laws states that:
for every action there is an opposite and equal reaction
newtons 3rd law
Define terminal velocity
the air resistance force becomes equal to the force of gravity and forces are balanced
will accept: the fastest an object can move free falling in a fluid
what is the function of the xylem cell
transporting water in plants