Matter and its properties
(Unit 1)
(Unit 1)
What are the three states of matter?
Solid, Liquid, and Gas
What are the three constants of minerals (the difference between a rock and plastic for instance)
Minerals are:
Natural
Solid
Inorganic
Name atleast three types of energy
Light, Sound, Thermal, Chemical, Electrical, Mechanical, and Nuclear Energy
What three smaller particles are atoms made up of?
Protons, Neutrons, and Electrons
Simple Machines
Name atleast three properties of matter (how we identify them)
Colour, Elasticity, Magnetic, Hardness, Density
What are igneous rocks?
Minerals formed when magma or lava cools down and solidifies
Define Non-renewable energy sources
Non-renewable energy sources are those which are not easily replaced and be used up
What charge does a proton have?
Positive Charge
What is aerodynamics?
The way in which an object moves through the air
What is the boiling point of water?
100º
What are metamorphic minerals?
Minerals which have been changed due to great heat or pressure (sometimes both)
Name an advantage & disadvantage to solar energy
Advantages:
* It does not pollute
*It is not dangerous for our health
Disadvantages:
* Sunlight is not distributed equally everywhere on Earth
* Solar panels need a lot of space
They repel each other
What is the opposing force to thrust?
Drag
What do we call matter which consists of only one type of matter (silver as an example)
Pure Substance
What is created when the Earth's plates smash together?
Mountain Ranges
What is the main type of renewable energy harvested in Denmark?
Wind Energy
What are electrical conductors & insulators?
Electrical Conductors:
Allows electricity to flow through them
Electrical Insulators:
Does not allow electricity to flow them
What is Archimedes Principle?
It states how an object submerged in water experiences an upwards force (Buoyancy)
What does insoluble mean?
When a substance does not dissolve (mix) well with another substance (like oil & water)
What is erosion?
The wearing down of rocks & soil by the action of water, ice, particles in the air, and living things
What type of energy uses Potential & Kinetic energy?
Mechanical Energy
Name the four componets to an electrical circuit
Energy Source, Conductor, Switch, and Load
What force is in use when the tyres of a car push the road with a backwards force
Action Force