Chemistry
What is an atom?
The smallest unit of matter
What is energy?
The ability to do work
The ability to make things move
What is weathering?
Where rocks break down due to exposure to the atmosphere
What are cells made of?
Organelles
How many cards in a deck of cards?
52
What are the three states of matter?
solid, liquid and gas
What are the 2 forms of energy?
Potential and Kinetic
Name 1 advantage to using fossil fuel
What is the waste product of respiration?
carbon dioxide
If you added up all the numbers on a dice, what is the answer?
21
What is the state change called when a liquid changes to a solid?
Freezing
What are 2 types of potential energy?
Gravitational
chemical
elastic
nuclear
Name the 3 main types of rocks
Igneous, Sedimentary, Metamorphic
Name the main muscle that enables us to breathe
The Diaphragm
Which animal has the longest Oesophagus?
The giraffe
Give 3 reasons you know a chemical change has occurred.
change in colour, release of light, release of gas, smell, change in temp.
What are 4 types of kinetic energy?
heat, light, sound, electrical
Name 3 renewable resources
Wind, Solar, Hydro, Biomass, Geothermal
What type of acid is in the stomach and what is it’s pH?
Hydrochloric acid- 1.5 to 3.5
Who is the current Prime Minister?
Scott Morrison
Name the process that occurs when particles gradually mix until the concentration is even
Diffusion
What is an energy transformation? Give an example
when energy is changed from one type of energy into another
eg - electrical to light
What happens when tectonic plates collide?
Volcanos or earthquakes
Name 5 different systems of the human body
digestive, reproductive, circulatory, respiratory, skeletal, nervous, lymphatic, integumentary, excretory, muscular
What Australian animal is on the twenty cent coin?
Platypus