Cells
This is the cell that is responsible for transporting oxygen around the body
Red blood cell
What are 3 types of weathering
Biological weathering, Chemical weathering, Physical weathering
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
What is the smallest human cell?
Sperm cell
What are the 3 types of rocks
Igneous, Sedimentary, Metamorphic
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)
Which cell fights infection and diseases
White blood cells
How is a sedimentary rock formed?
Formed by small rock pieces being transported in rivers and laid down in layers
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
How many chromosomes do people with down syndrome have
47
This is the type of specialised cell that's function is to transport electrical signals around the body
Nerve 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
How is a metamorphic rock formed
Formed from another rock under heat and pressure
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