Chemistry
Protons, neutrons, electrons
What are the three subatomic particles?
Contains the genetic material of the cell.
What is the function of the nucleus?
joules
What are the units of energy?
Protons: +1, neutrons: 0, electrons: -1
What are the relative charges of the subatomic particles?
has a tail to swim to the egg
What is an adaptation of a sperm cell?
chemical, kinetic, gravitational potential, elastic potential, internal, nuclear, magnetic, electrostatic.
What are examples of energy stores?
forms when electrons transfer from a metal to a non-metal
How does an ionic bond form?
Atria and ventricles.
Name the two types of chambers in the heart
A force between two object which are touching
What is a contact force?
forms when two non-metal atoms share a pair of electrons
What is a covalent bond?
Viruses, bacteria, fungi.
What are the three classes of pathogens?
W=mg
What is the equation which links gravitaional field strength, mass and weight?
A list of elements ordered by their reactivity
What is the reactivity series?
To absorb carbohydrates, lipids, amino acids, vitamins and mineral ions from digested food.
What is the function of the small intestine?
a horizontal line on a distance time graph
How is a stationary object shown on a distance-time graph?