Matter & Its Properties

Multiple Choice

Which of the following best describes matter?

• Anything that has mass and volume

• Anything that is visible

• Anything that can move

• Anything that is a solid

Open Ended

Why is it important to understand the concept of matter in science?

Multiple Choice

According to the kinetic molecular theory, what happens to the kinetic energy of particles as temperature increases?

• It decreases

• It stays the same

• It increases

• It disappears

Multiple Choice

Which of the following states of matter has a fixed volume but a variable shape?

• Solid

• Liquid

• Gas

• Plasma

Open Ended

Compare the arrangement and movement of particles in solids, liquids, and gases.

Multiple Select

Select all the characteristics that apply to plasma.

• Very high kinetic energy

• Particles are tightly packed

• Gas-like with variable shape and volume

• Found in stars and fluorescent bulbs

Open Ended

Explain how mixtures and pure substances differ in terms of physical and chemical separation, using the matter flowchart as a reference.

Fill in the Blank

Matter that cannot be chemically decomposed is called an ___.

Open Ended

Explain the difference between homogeneous and heterogeneous mixtures, providing an example of each.

Multiple Choice

Which of the following best describes a compound?

• A pure substance consisting of only one kind of atom

• A mixture of two or more substances that can be separated by physical means

• A substance made up of two or more elements combined in a specific ratio and can be separated by chemical means

• A substance that cannot be separated into simpler substances by chemical means

Multiple Choice

Which statement is true about elements as shown on the periodic table?

• They are made of two or more types of atoms.

• They can be separated into simpler substances by physical means.

• They are pure substances consisting of only one kind of atom.

• They have variable composition.

Multiple Select

Which of the following are examples of pure substances?

• Copper wire

• Table salt (NaCl)

• Air

• Aluminum foil

Multiple Choice

Which law states that elements can combine in different ratios to form different compounds?

• Law of Conservation of Mass

• Law of Definite Composition

• Law of Multiple Proportions

• Law of Constant Proportions

Fill in the Blank

A given compound always contains the same, fixed ratio of ___ .

Multiple Choice

Which of the following statements best describes a pure substance as shown in the image?

• A pure substance has a definite composition and cannot be separated by physical means.

• A pure substance is a mixture of different elements.

• A pure substance can be separated physically into its components.

• A pure substance always contains more than one type of atom.

Multiple Choice

Which of the following best explains why sugar and salt dissolve in water but sand does not, as shown in the image?

• Sugar and salt form homogeneous mixtures with water, while sand forms a heterogeneous mixture.

• Sugar and salt are both insoluble in water, while sand is soluble.

• All three substances form homogeneous mixtures with water.

• Sand dissolves faster than sugar and salt.

Multiple Select

Based on the images, which of the following are characteristics of mixtures?

• Can be separated physically

• Have variable composition

• Contain only one type of atom

• Can be homogeneous or heterogeneous

Fill in the Blank

A solution is a type of mixture in which the substances are mixed so well that they cannot be distinguished from each other. This type of mixture is called a ___ mixture.

Open Ended

Explain the difference between a homogeneous mixture and a heterogeneous mixture, using examples from the images.

Multiple Choice

Which of the following is a characteristic of a colloid?

• Particles don’t settle

• Particles are large and settle

• Homogeneous mixture

• No Tyndall effect

Open Ended

Compare and contrast the properties of colloids and suspensions based on their particle size and settling behavior.

Multiple Choice

Which mixture type is best represented by fresh-squeezed lemonade?

• Colloid

• Suspension

• Solution

• Compound

Multiple Select

Which of the following are examples of colloids?

• Mayonnaise

• Muddy water

• Fog

• Saltwater

Fill in the Blank

The material that is being dissolved in a solution is called the ___.

Multiple Choice

Which type of substance can be separated by physical means and has a composition that varies throughout?

• Element

• Compound

• Mixture

• Solution

Open Ended

How would you explain the concept of matter to someone who has never heard of it before?

Multiple Choice

What are the two main properties that define matter?

• Mass and volume

• Color and shape

• Temperature and density

• Weight and texture

Multiple Choice

The process

used to separate heterogeneous mixtures of solids and liquids is called

______.

• filtration

• crystallization

• distillation

• chromatography

Multiple Choice

______ is a separation technique that uses the differences in boiling points of various substances to separate mixtures.

• filtration

• crystallization

• distillation

• chromatography

Multiple Choice

If you want to separate iron fillings from sand, you would use a _____.

• funnel

• filter

• magnet

• colander or sieve

Multiple Choice

A technique that separates a mixture based on the individual substance's tendency to travel across a surface is called _____.

• filtration

• crystallization

• distillation

• chromatography

Multiple Choice

The formation of pure solid particles of a substance from a solution is called _____.

• filtration

• crystallization

• distillation

• chromatography

Multiple Choice

Some solutions, such as salt water, are separated by which process?

• filtration

• crystallization

• evaporation

• chromatography