WorksheetsUnit 1 Summative Assessment
Total questions: 34
Worksheet time: 23mins
Dissolving sugar in water leads to what kind of type of mixture?
Homogenous Mixture
Heterogenous Mixture
Compound
Observation or inference: This is a brown puppy.
Observation
Inference
Observation or Inference: The cat is scared.
Observation
Inference
Which is an observation?
The cars are covered in snow!
This must be New Hampshire.
Select the inference.
That is one cute puppy.
There are 3 roses.
Which of these is an observation about this picture?
The blue team is winning.
The blue team is the Golden State Warriors.
Which of these is an inference about this picture?
Iguodala just scored for the blue team.
Batum plays for the white team.
An observation that has a number is called a ___________ observation
Qualitative
Quantitative
Inference
Basic
When you use your senses to gather information, you are making an _________________________
inference
observation
decision
guess
An observation that does NOT use numbers or amounts is called a _______________________ observation.
Qualitative
Quantitative
Inference
Basic
These kind of observations are made using instruments such as rulers, balances and thermometers.
Qualitative Observations
Quantitative Observations
Scientific Observations
Measured Observations
-Matter cannot be created or destroyed, it only changes. -No matter is lost or gained in a physical or chemical change in a closed system. (total number of atoms stays the same)
Law of Property
Law of Conservation of Matter (LCM)
Newton's 3rd Law
Law of Gravity
matter can transfer
open system
closed system
reactant
product
allows the transfer of energy but not matter
open system
closed system
reactant
product
a substance that takes part in and undergoes change during a reaction
product
coefficient
reactant
subscript
the substance that is the result following reaction.
coefficient
solvent
product
reactant
a digit in a chemical formula that represents the number of atoms or ions occurring in the substance.
numerator
product
coefficient
subscript
the number of units taking part in a reaction
product
coefficient
numerator
system
the symbolic (numbers and letters) representation of a chemical reaction
chemical equation
subscript
product
reactant
The smallest particle that makes up everything
Atom
compound
What is Pizza
Homogeneous = a mixture that is the same
Heterogeneous = a mixture that is different
Heterogenous Mixture
Solution
What is Coffee?
Homogeneous mixture
Heterogeneous mixture
Gold is a ____________.
(it can be found on the periodic table of __________)
element
mixture
What elements are in water (H2O)?
Hydrogen and Oxygen
Hydrogen = 2
Oxygen = 1
Molecules
Which one can be found on the periodic table?
Compound
Elements
Can a heterogeneous mixture be separated?
Yes
No
Is salt (NaCI) a compound or a element?
Compound = more than one type of atom
Element = only has 1 type of atom
Compound
element
Ice melting
Chemical Change
Physical Change
Wood burned in a fireplace
Chemical Change
Physical Change
Glass bottle that is shattered
Chemical Change
Physical Change
What happens in ALL chemical changes?
An explosion
A new substance is formed
A change where one or more new substances are created.
Physical Change
Chemical Change
Rust on an iron fence
Chemical Change
Physical Change
When elements are bonded together, they form a _________.
atom
molecule
electron
supernova
