WorksheetsUnderstanding Mixtures and Matter
Total questions: 15
Worksheet time: 8mins
What is a mixture?
A single substance that cannot be separated
Two or more substances mixed together but not chemically combined
A substance that is chemically bonded
A pure element
Which of the following is an example of a homogeneous mixture?
Salad dressing
Saltwater
Sand and water
Oil and water
What is a characteristic of a heterogeneous mixture?
Uniform composition throughout
Non-uniform composition with visible different phases
Made of only one type of atom
Cannot be separated into components
Which of the following is the basic unit of matter?
Molecule
Atom
Element
Compound
What is a molecule?
A single atom
A group of atoms bonded together
A pure element
A mixture of different substances
Which of the following is an example of an element?
Water
Salt
Oxygen
Sugar
What is matter?
Anything that has mass and takes up space
Only solid substances
Only liquids and gases
Only living things
Which of the following is NOT a property of matter?
Mass
Volume
Color
flammability (able to catch on fire)
What is the smallest fundamental unit of a chemical compound?
Atom
Molecule
Element
Mixture
Which of the following describes an element?
Made up of two or more types of atoms
Made up of only one type of atom
A mixture of different substances
A compound of molecules
Which of the following is an example of a heterogeneous mixture?
Air
Saltwater
Salad dressing
Sugar solution
What is the composition of a homogeneous mixture?
Non-uniform
Uniform
Variable
Random
Which of the following is NOT a mixture?
Air
Water
Salad
Sand and salt
What is the main difference between an atom and a molecule?
Atoms are larger than molecules
Molecules are made of atoms bonded together
Atoms are made of molecules
Molecules are single atoms
Which of the following is true about elements?
They can be broken down into simpler substances
They are made up of different types of atoms
They are the building blocks for all matter
They are mixtures of compounds
