Coal, fuel and food are all examples of what type of energy?
Chemical Energy
100
What is the fomula for average speed?
s=d/t
100
Can be found on the periodic table and cannot be chemically or physically separated.
What is an element?
100
Is baking cookies a chemical or physical change?
Chemical
100
Found along the bottom and middle of the periodic table.
What are metals?
200
What does the law of conservation of matter state?
Energy cannot be created or destroyed. It is only transformed.
200
If and object has a density greater than 1g/mL, will it sink or float in water?
Sink
200
Made up of 2 or more elements.
What is a compound?
200
A new substance being produced is a sign of what type of change?
Chemical
200
Found along the "stair steps" on the periodic table.
What are metalloids?
300
What is stored energy due to position called?
Potential Energy
300
A graduates cylinder has 10 mL of water in it. You add a rock to it and it now reads 22 mL. What is this process called and what is the volume of the rock?
Water displacement and 12mL. (22mL-10mL)
300
Is Cs an element or a compound?
Element
300
A state change (solid, liquid, gas) is a sign of what type of change?
Physical
300
These elements are brittle, dull and are not good conducters of electricity.
What are nonmetals?
400
What state of matter (solid, liquid, gas) has the most kinetic energy?
Gas
400
A bus traveled 30 meters in 5 seconds. How fast is the bus going?
6 m/s
400
How many elements are in H2O+CO2?
3 (3 different capital letters)
400
Tearing a piece of paper into small pieces is an example of what type pf change?
Physical
400
Copper (Cu) is an example of what type of element?
Metal.
500
When does an object have the most kinetic energy?
when it has the least potential
500
What is the density of an object that is 5g and 10cm3? (Remeber density=mass/volume) Will it snk or float in water?