Freezing, melting, boiling, bending, breaking, crushing and cutting are examples of what?
What is physical change
100
What factors can affect density?
What is mass and volume
100
True/False: The reactants are always greater than the products.
What is False
100
Forces exerted by magnets on other magnets
What is magnetism
200
Which state of matter can particles only vibrate
What is solid
200
List TWO examples of chemical changes
What is rusting, decomposing, and burning
200
A marble has a mass of 32g and a volume of 2mL. Find the density of the marble.
What is 16 g/mL
200
When 15 g of oxygen reacts with 15 g of hydrogen, how much water will be made?
What is 30 g
200
melting occurs at a specific temperature
What is melting point
300
how is kinetic energy related to particle motion?
What is Kinetic energy increases as particle motion increases.
300
What type of change produces a new substance?
What is chemical change
300
Find the density of the toy with a volume of 100mL and a mass of 1000g
What is 10 g/mL
300
What is the law of conservation of mass?
What is matter cannot be created or destroyed in any chemical or physical change
300
measure of how much solute can be dissolved in a solvent
What is solubility
400
As temperature increases, particle motion __________
What is increases
400
What is a physical change?
What is the form or appearance is alters. No new substance is formed.
400
A cube has a density of 15 g/cm^3 and a volume of 2 cm^3. What is the mass of the cube?
What is 30 g
400
The mass of the reactants should always _______ the mass of the products
What is equal
400
The ability to carry electric current
What is electrical conductivity
500
What can move in all directions and fill all available space
What is gas
500
Physical or Chemical: Your friend decides to toast a piece of bread, but leaves it in the toaster too long. The break is black and the kitchen is full of smoke.
What is Chemical
500
Find the volume of the water with a density of 1.0 g/mL and a mass of 18 g.
What is 18 mL
500
28.7 g + ? --> 29.3 g + 38.4 g
What is 39 g
500
Name 3 physical properties that do not change in relation to how much of the substance you have
What is density, magnetism, electrical conductivity