What is crude oil made up of?

How was crude oil made?

What is a finite resource?

What are the fossil fuels?

What is a covalent bond between?

What is a covalent bond?

What is the word equation for respiration?

What is a contact force? What are examples?

What is a producer?

What is an ionic bond between?

What is an ionic bond?

Why do ionic compounds have a high melting point?

Why do ionic compounds not conduct electricity as a solid but conduct electricity as a liquid?

What are the properties of ionic compounds?

What does solution mean?

What does molten mean?

What type of ions do non metals form?

What type of ions do metals form?

What do non metals do when they react?

What do metals do when they react?

What charge do neutrons have?

What charge do electrons have?

What charge do protons have?

What is the relative mass of an electron?

What is the relative mass of a proton?

What is the relative mass of a neutron?

What are simple covalent molecules?

What state are simple covalent compounds at room temperature?

What state are ionic compounds at room temperature?

What is the relative charge of a neutron?

What is the relative charge of a proton?

What is the relative charge of an electron?

What are the properties of simple covalent molecules?

Why do simple covalent molecules have a low melting and boiling point?

Why do simple covalent molecules not conduct electricity?

How many covalent bonds does oxygen need to make?

How many covalent bonds does carbon need to make?

How many covalent bonds does hydrogen need to make?

What is the structure of graphite?

What is the structure of diamond?

what is the structure of silicon dioxide?

What are the properties of silicon dioxide?

What are the properties of diamond?

What are the properties of graphite?

Why do giant covalent structures like diamond, graphite and silicon  dioxide have high melting and boiling points?

Why can graphite conduct electricity?

Why is graphite soft and slippery?

What is a hydrocarbon?

What are alkanes?

What is the general formula for alkanes?

but = 

meth = 

eth = 

prop = 

What is an alkene?

What is an alkane?

What is the test for an alkene?

Which processes are involved in fractional distillation?

Longer alkanes have

Shorter alkanes have

Fractionating column is

Long chain molecules made up from one repeated short molecule is called a

Meiosis

Mitosis

How many chromosomes in a body cell?

How many chromosomes in a body cell?

Structure which DNA is coiled into to fit into nucleus 

Structure of DNA

Gene

Meiosis produces cells with

Mitosis produces cells with

Growth stage of cell cycle =

Where does meiosis occur?

Where does mitosis occur?

Stage 3 of cell cycle

Stage 1 of cell cycle

Stage 2 of cell cycle

Asexual reproduction

Sexual reproduction

Why do metals conduct electricity?

Which type of cell division is used in asexual reproduction?

What is fertilisation?

Allele

Heterozygous

Homozygous

Recessive allele

Dominant allele

Phenotype

Genotype

Polydactyly: dominant or recessive disorder?

Cystic fibrosis: dominant or recessive disorder?

If an individual carries one normal and one faulty allele which codes for a recessive disorder, what is their phenotype?

How many chromosomes in a human body cell?

How many chromosomes in a human sex cell?

What is the genotype of someone with blue eyes?

What is the genotype of someone with brown eyes?

Efficiency =

Thermal conductivity