WorksheetsMatter Review
Total questions: 20
Worksheet time: 13mins
What are the 3 main states of matter that we discuss in class?
Solid, Liquid, Gas
Ice, water, liquids
Solid, Gas, plasma
What is an element?
A combination of 2 or more elements. Such as NaCl (salt)
A single type of atom such as Fe (iron)
What is a compound?
A combination of 2 or more elements. Such as NaCl (salt)
A single type of atom such as Fe (iron)
What is a mixture?
stuff
A single thing
A physical blend of 2 or more components
What is a pure substance?
A homogenous mixture
A heterogeneous mixture
Has uniform and definite composition. Contains only one element or compound
Which one is a compound?
Fe (Iron)
Al (Aluminium)
H2O (Water)
Au (Gold)
Which one is an element?
H2O (water)
Au (Gold)
N2O (nitrous oxide)
NaCl (Table salt)
What does electrical conductivity mean?
It conducts electricity
It has nothing to do with electricity
True or False.
Metals can conduct electricity?
Ture
False
_________ are the most abundant of elements on the periodic table.
Nonmetals
Metalloids
Metals
What is a chemical change?
When you create a new substance with unique physical and chemical properties.
A change that affects the size, shape, or state of matter of a substance, but doesn't affect its chemical composition.
What is a physical change?
When you create a new substance with unique physical and chemical properties.
A change that affects the size, shape, or state of matter of a substance, but doesn't affect its chemical composition.
What is an example of a chemical change?
Painting a wall
A solid turning to a liquid
Cutting a piece of paper
Baking a cake
What is an example of physical change?
Baking a cake
Buring a match
Cutting paper
Rotting Fruit
Karly got a balloon at a party. When she squeezes the balloon, she can squish the air inside it and change the shape of the balloon. Which of the following is true about the change that happens when Karly squishes the balloon?
She's physically changing the balloon.
She's making a new substance
She's chemically changing the balloon.
What is conservation of mass?
Mass the can be created
Mass cannot be created or destroyed.
Mass that can be destroyed
Luke has a bucket of ice. He covers the bucket with a lid and sets it in the sun. The ice melts into liquid water. How does the mass of the ice compare with the mass of the water?
The mass of the ice is less than the mass of the water.
The mass of the ice is more than the mass of the water.
There is no way to determine this from the information given.
The mass of the ice is the same as the mass of the water.
What happens to particles in a solid as they heat up?
They move faster
They slow down
What happens to particles in a solid as they cool down?
They move faster
They slow down and condense
How are clouds formed?
When the gas (water vapor) condenses into water droplets (condensation) around dust particles.
When water turns to clouds
They are in the sky
