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100

refers to the way most metals can be stretched into wires.

what is ductile

100

a representation of a substance in which the subscripts are represented by their chemical symbols, and the elements represent the Number of atoms of each element.

what is a chemical formula

100

a push or a pull

what is a force 

100

rainy and cloudy weather 

what is low pressure

200

the tendency of a material to fracture under a small force.

what is brittle 

200

 a letter or pair of letters that represent the element in the formula.

what is a chemical formula

200

The object stays still or continues to move at the same  

what is balanced forces 

200

sunny and clear weather 

what is high pressure

300

 the measure of ease at which an electric charge or heat can pass through material

what is conductivity

300

 represents the number of atoms of the element to the left of the subscript.  If there is not a number next to an chemical symbol, then the subscript implied is one.

what is a subscript

300

The overall forces acting on an object.

what is net force 

300

Cold dense air replaces warm, less dense air.

what is a cold front 

400

 A material that keeps electricity, heat, or cold from transferring.




what is a insulator

400

When substances produced in a chemical reaction are released.



what is precipitants 

400
a tendency to do nothing and remain unchanged 

what is inertia 

400

Two cold air masses converge on a warm air mass.

what is a warm front