| Material World 1 | Material World 2 | Earth and Space 1 | Earth and Space 2 | Living world |
|---|---|---|---|---|
|
- emission of gas
- emission of light - formation of precipitate - colour change -temperature change
What are the five indicators of chemical changes?
|
The amount of matter there is in a certain volume.
What is density?
|
An imprint left in soil by an organism that lived a long time ago.
What is a trace fossil?
|
The distance in kilometers that light travels in one year.
What is a light year?
|
The basic unit of all life.
What is a cell?
|
|
The movement of energy from one place to another.
What is an energy transfer?
|
g/cm3 or g/ml
What unit is used to express density?
|
Finding out the exact age of fossils
What is absolute dating?
|
A group of clusters of galaxies.
What is a supercluster?
|
Deoxyribonucleic acid
What does DNA stand for?
|
|
Joules.
What is the unit used to express energy?
|
A solution that contains more than the maximum amount of solute.
What is a supersaturated solution?
|
The deeper the stratigraphic layer, the older it is.
What is the law of superposition?
|
Asteroids and comets
What is in the Kuiper Belt?
|
The complete set of genes in a person.
What is a genome?
|
|
Physical.
Classify F2 + heat --> F2 as a physical or chemical change
|
A graph to determine the mass of solute that will dissolve in 100g of water at different temperatures.
What is a solubility curve?
|
Carbon, nitrogen, hydrogen and oxygen
What are the elements necessary for the emergence of life?
|
Spiral, eliptical and irregular.
What are the types of galaxies?
|
A group of organs that work together to complete a set of tasks.
What is a system?
|
|
A shape change in matter.
What is deformation?
|
mass of solute (g) / mass of solution (g) x 100
What is the formula for % mass/ mass concentration?
|
Permian
Which mass extinction ended the Paleozoic era?
|
9.46 x 10 ( to the power of 12)
How many kilmoeters is 1 light year?
|
Skeletal, smooth, Cardiac
What are the types of muscle tissue?
|
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