Heating/cooking sucrose is an example of ______ change?
What is a chemical change
100
What is it that describes the way a substance reacts with other substances
What is a chemical property?
100
definition for matter is...
What is something that takes up space and has mass?
100
Energy at comes from the sun and travels through space as waves is ______________.
What is electromagnetic?
100
used to measure mass
What is a triple beam balance?
200
Energy of matter due to motion is
What kinetic energy?
200
What is a change that produces new substances with new properties
What is a chemical change?
200
What is a substance that cannot be broken down into other substances by heat, light, or electricity
What is an element?
200
What mixture best describes a fruit salad
What is an example of a heterogeneous mixture?
200
Three ways to measure volume of an object are 1., 2., 3.
What is direct volume measurement for liquids (in a beaker, graduated cylinder, volumetric flask, equation for volume = L x H x W for regular objects, and liquid/volume displacement for irregular objects ?
300
Physical property of electrons moving through a wire is called...
What is electrical conductivity?
300
What is a process that produces one or more substances that are different from the original substances
What is a chemical REACTION?
300
The name for a substance that has two or more atoms combined is called a
What is a compound or molecule.
300
True or False: The substances that make up a mixture lose some of their properties?
False, they retain their properties and can be physically separated out.
300
Four signs of a chemical change occurred are
What color change, odor, fizzing, production of heat, light, sound, burning (flammability), reacting, etc...?
400
Physical property that has given mass in an certain amount of volume is called
What is density?
400
How many meters are in 250 inches?
What is the 6.35m?
400
Matter cannot be created or destroyed is what law?
What conservation of mass?
400
Iron and sand combined in a bowl can most easily be separated using the physical property of
What is magnetism?
400
A 55 mg solution has a density of 41 g/ml, what is the volume of the solution? -Watch units-
What 0.0013 mL or 1.3e-3mL (Did you convert units to grams first)?
500
the "ability" to dissolve in another substance is called
What is solubility?
500
solid, liquid, gas, plasma are all called what physical property
What is the states of matter?
500
Definition of weight (include the units)
What is the mass of an object taken into account with its' GRAVITATION PULL? Unit is a Newton (N), NOT grams or Kilograms
500
Changes when exposed to an acid can be classified as a _________ change.
What is a chemical change?
500
How many grams are in a solid that has a volume of 25mL and a density of .85g/mL?