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WorksheetsPure Substances and Mixtures
Total questions: 30
Worksheet time: 22mins
Which of the choices is a Pure Substance?
Concrete
Cake
Seawater
Copper wire
Which of the choices is not a Pure Substance?
Coffee
Brass
Water
Sugar
A/an [blank] is a substance made up of atoms of two or more different elements joined by chemical bonds.
(a)
What is the smallest unit of an element that maintains the properties of that element?
an Element
an Atom
a Compound
a Mixture
A/an [blank] is the smallest unit of an element that maintains the properties of that element.
(a)
A substance that cannot be separated or broken down into simpler substances by chemical means is called a/an [blank].
(a)
When describing something that does not have a uniform structure or composition throughout, it is referred to as [blank].
(a)
[blank] is a term used to describe something that has a uniform structure or composition throughout.
(a)
According to Lesson 4 about "Pure Substances and Mixtures", the Greek word genus means...
"genius"
"same"
"type"
"different"
According to Lesson 4 about "Pure Substances and Mixtures", the Greek word heteros means...
"type"
"heated"
"same"
"different"
According to Lesson 4 about "Pure Substances and Mixtures", the Greek word homos means...
"same"
"type"
"different"
"homes"
A/an [blank] is a combination of two or more substances that are not chemically combined.
(a)
When a sample of matter, either a single element or a single compound, has definite chemical and physical properties is it a/an [blank].
(a)
Which of the choices are examples of a mixture?
Water
Granite
Pizza
Seawater
Which of the choices are examples of a compound?
Table salt
Concrete
Carbohydrates
Baking soda
Which of the choices are examples of an element?
Hydrogen
Copper
Table salt
Water
What kind of mixture is depicted in the image shown above?
Snow Globe
Colloid
Watery
Suspension
What kind of mixture is depicted in the image shown above?
Solution
Suspension
Beverage
Herbal
What kind of mixture is depicted in the image shown above?
Slimy
Colloid
Solution
Creamy
A [blank] is a type of mixture that falls between two other types of mixtures. The particles in this mixture are spread throughout a liquid or gas, and they're small that they do not settle as quickly.
(a)
A type of heterogeneous mixture wherein the particles of a material are spread throughout a liquid or gas, are too large to stay mixed that they settle after left to sit is called a/an [blank].
(a)
Unlike the heterogeneous mixture, a [blank] is a homogeneous mixture wherein one substance is dissolved in another substance.
(a)
What is one way to separate salt from water?
use a magnet to remove the salt
use a colander
heat and evaporate the water
freeze the water
Which of the following are ways to classify different compounds?
by their role in the body
by their pH levels
as organic or inorganic
by their shape
by audible properties
Which 3 of the choices shown are ways in which elements are broadly classified?
Buoyancy
Nonmetals
Metalloids
Metals
Luminosity
By the end of this lesson, you should be able to distinguish between [blank].
(a)
What are some students doing other than attentively listening and focusing in Science class?
listening and focusing
playing video games
watching shows/movies
sleeping
listening to music
The substances you encounter every day can be classified into one of the three major classes of matter. Which of the choices are those three classifications?
Colloids
Nonmetals
Mixtures
Elements
Compounds
True or False: Pure substances cannot be formed or broken down by physical change.
TRUE
FALSE
Which of the following elements generally make up the water molecule?
Oxygen
Hydrogen
Sodium
Chloride
Carbon
