Cells
This is the cell that is responsible for helping the body fight infection and other diseases.
White blood cell
What is the rock that is made up of small rock deposits
Sedimentary
What are the 3 parts of an atom?
Proton, neutron and electron
What is the chemical symbol for Hydrochloric acid
HCL
What is the genetic material called in the nucleus
This is the part of the cell that is responsible for cellular respiration
Mitochondria
What is the type of weathering that is caused by acid rain called
Chemical weathering
What material allows for electricity to flow through easily
Conductor
What is the trend of reaction in the Group 1 elements as you go down?
It increases
How many chromosomes are in a human body cell
46 (23 pairs)
This part is the smallest cell in the human body
sperm cell
What is the weathering that is caused by living organisms
Biological weathering
What is current?
Current is a measure of how much electric charge flows through a circuit
What ion does Group 7 become when it has reacted
-1
What is the reason why egg and sperm cells have half the amount of the chromosomes of a body cell
Because when a egg and sperm cell fuse to create fertilised cell, it has 46 chromosomes in total
This is the cell that is responsible for practically all movements that are under voluntary control.
Muscle cell
What is the difference between a series and a parallel circuit
A series circuit has one loop a parallel circuits have more than one loop
What is the equation for a neutralisation reaction
Acid + base --> Salt + water
What is the difference between genetic and environmental characteristics? give one example of each
Genetic characteristics are the characteristics that you inherit from your parents, for example eye colour environmental characteristics are the characteristics that is affected by the environment for example accent
This part of the cell is responsible for protein synthesis
Ribosomes
Describe onion skin weathering
What is the equation that links current and potential difference
What is the conservation of mass
Matter cannot be created or destroyed. The mass of the reactants equals the mass of products
Explain briefly how two parents with brown eyes can have an offspring with green eyes
Both parents are carrier of the gene that codes for green eyes and past that gene onto their child
or
Genetic mutation