Unit 1
what elements do we need to survive
Oxygen
Is wood burning into ash chemical or physical
Chemical
Finish the sentance
An object will stay in motion unless
Acted upon by a unbalanced force
what 2 poles attact
south and north
What type of fuel is coal
fossil fuel
What element has 1 atom
Hydrogen
what type of reaction is paper shredding
physical
what is the force called that causes objects to slow down over time
Friction
what happens when you put the same sided poles together
they repel
is geothermal renewable or non renewable
What elements make up water
Hydrogen-Oxygen
X-Ray
what is the force that holds us down to the earth
Gravity
what is the movement of a transverse wave
Perpendicular
Whats the object called when it blocks energy from flowing
Insulator
what element is Au
Gold
What type of reaction is baking a cake
Chemical
what is chemical elastic energy
energy that is due to chemical bonds
what type of energy is moving energy
mechanical energy
what is the object called when it allows energy to flow
a conductor
how many elements are on the periodic table
118
what wave frequency is the highest
Gama rays
What is the Si for energy
Joule
Definition of energy
the ability to cause change
is bio fuel renewable or non renewable
renewable