Half term 1 year 11
Quiz by Horia
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- Q1
What is crude oil made up of?
remains of dead sea organisms such as plankton
remains of dead trees
30s - Q2
How was crude oil made?
under high temperature and pressure over millions of years
under low temperature and pressure over millions of years
30s - Q3
What is a finite resource?
a resource that will run out and cannot be remade
a resource that will run out and can be remade
30s - Q4
What are the fossil fuels?
crude oil, coal and natural gas
olive oil, coal and natural gas
30s - Q5
What is a covalent bond between?
non metals
metals
30s - Q6
What is a covalent bond?
sharing of electrons
transfer of electrons
30s - Q7
What is the word equation for respiration?
carbon dioxide + water --> glucose + oxygen
glucose + oxygen --> carbon dioxide + water (+energy)
30s - Q8
What is a contact force? What are examples?
objects must not be physically touching for the force to arise, e.g. friction, air resistance, pull, gravity
objects must be physically touching for the force to arise, e.g. friction, air resistance, pull, push
30s - Q9
What is a producer?
an organism which eats its own food e.g. plants
an organism which produces its own food e.g. plants
30s - Q10
What is an ionic bond between?
metals
metals and non metals
non metals
30s - Q11
What is an ionic bond?
Electrostatic force of attraction between oppositely charged ions
Electrostatic force of attraction between like charged ions
30s - Q12
Why do ionic compounds have a high melting point?
The forces of attraction between the ions is weak so requires alot of energy to overcome
The forces of attraction between the ions is strong so requires alot of energy to overcome
30s - Q13
Why do ionic compounds not conduct electricity as a solid but conduct electricity as a liquid?
the ions can move in a solid but cannot as a liquid
the ions cannot move in a solid but can as a liquid
30s - Q14
What are the properties of ionic compounds?
high melting and boiling points, soluble in water, cannot conduct electricity as a solid but can as a liquid (molten or in solution)
high melting and boiling points, soluble in water, can conduct electricity as a solid but cannot as a liquid (molten or in solution)
30s - Q15
What does solution mean?
dissolved in liquid
melted
dissolved in liquid
30s