A pure substance that can not be broken down chemically is a (an) ______________
Element
100
A student about to jump off a diving board has what type of energy?
Potential Energy
100
What is the formula for density?
Mass divided by volume
100
All the Nonmetals are on the right side of the periodic table except which element?
He
100
What happens when and electric current is passed through water?
Gases are being produced
200
One square on the periodic table represents what?
An Element
200
Potential and kinetic energy are different because --
Kinetic energy is due to motion and potential energy is due to position
200
What information do I need to have to solve for density?
Mass and Volume
200
What is the definition of Malleability?
bend and shape
200
The formation of rust is a sign of what type of change?
Chemical
300
A substance has these properties: Dull, Brittle, poor conductor of heat.
Is the substance a metal, nonmetal, or metalloid?
A Nonmetal
300
Water stored behind a dam is an example of what type of energy?
Potential
300
When putting 3 different liquids in a jar the liquid that stays on the top is ---
The least dense
300
The most effective cookware are good conductors of heat. What materials would be best suited to make pots and pans for cooking?
Metals
300
What type of change is the process of making hot chocolate?
Physical Change
400
A substance made up of more than one substance, that can be broken down chemically is a (an) _________
Compound
400
While going down a slip in slide what type of energy do you have?
Kinetic Energy
400
A dry spheres mass is measured at 70.0 g. What is the density of the sphere if the volume of the sphere is 50 mL?
1.4 g/mL
400
Where are the metalloids located on the periodic table?
A stair case in the middle
400
When sugar is heated by a flame, it begins to bubble and turns into a sticky, black substance. The best indication that a new substance has formed is the the sugar---
Changed Color
500
The Earth, living matter, oceans, and atmosphere are composed of -----
a limited number of elements on the periodic table
500
A person drops a rock off of a cliff into the ocean below. If the rock is moving but still has further to fall, what type of energy does it have?
Kinetic and potential energy
500
The volume is 2mL and the Mass is 5g. What is the density?
2.5
500
Name 2 metals, 2 nonmetals and 2 metalloids
look at periodic table
500
What are the 4 pieces of evidence that show a chemical change has occurred
Change in color
Change in temperature
Form a precipitate
Formation of Change in color
Change in temperature
Form a precipitate
Formation of Gas