end of year quiz

What is it called when animals and plants change to suit their environment?

The female ova carries what sort of information useful in reproduction?

What is the chemical formula for water?

Metals mixed with other metals are called?

The movement of weathered rock is otherwise known as?

What unique particles make up elements?

In some cities plastic is burned to produce what?

What is the side effect of having too much carbon dioxide in the air called?

Chlorophyll is a naturally occurring chelate compound in which central metal?

Which of the following metals forms amalgam with other metals?

What were the four elements early alchemists ‘discovered’?

Quartz crystals normally used in quartz clocks etc is chemically known as?

What is chlorine’s most common use?

Which of the gas is not known as green house gas?

Which animal has a hydrostatic skeleton?

In plants water moves into the roots through?

Washing soda is the common name for?

What is the fourth most abundant element in the universe in terms of mass?

What does saliva contain that helps break down food?

If a substance is dense which is it bigger in, mass or volume?

What are two things that affect friction?

In a normal household what appliance uses the most energy?

A nuclear reaction where the nucleus of an atom splits into smaller parts is known?

Brass gets discoloured in air because of the presence of which of the following gases in air?

When an acid reacts with a metal it gives off what gas?

How many chromosomes do people have?

The plant skin is called what layer?

Bases change the litmus and universal indicator to which colour?

Famous New Zealand scientist Ernest Rutherford was awarded a Nobel Prize in which field?

What is the name of the machine used to measure an earthquakes force?

What is the third most common gas found in the air we breathe?

Plastics are made from molecules from which fossil fuel?

Tetraethyl lead is used as:

In wiring the positive terminal is indicated by which colour?

Plants produce two things, what are they?

The transfer of pollen from one flower to another is called?

A chromosome that codes for one characteristics is called a?