Chemical and Physical Changes Practice Test

An object has a boiling point of 113⁰C and yellow coloration. What type of properties are being described?

• Chemical

• Physical

• Distinctive

• Reactivity

Which of the following is NOT a physical characteristic of matter?

• size

• luster

• density

• flammability

The ability of a substance to dissolve in another substance is the physical property of _____.

• density

• solubility

• reactivity

• conductivity

What kind of property of matter is the ability to conduct heat and electricity?

• chemical

• physical

• combustion

• boiling point

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-5

Why is the box outlined in red more dense?

• The same amount of matter is in a smaller space.

• There is more matter in a smaller space

• The atoms get closer due to a temperature decline

• There is less matter in a smaller space

Tags

NGSS.MS-PS2-2

A student added vinegar into a container of baking soda during his science class. Bubbles of carbon dioxide gas formed as the vinegar and baking soda mixed together. He put a balloon on top of the container to catch the carbon dioxide gas. 

Which of the following caused a chemical change to occur?

• Putting a balloon on top of a container

• Using a special container

• Adding vinegar to baking soda

• Bubbles forming

Tags

NGSS.MS-PS1-2

What property of matter is shown?

• Combustion

• Conductivity

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is evidence that a chemical reaction has occurred?

• a phase change occurs

• red and yellow paint mixing to make orange paint

• the temperature of the substance remains constant

• a new gas is observed in the form of bubbles

Tags

NGSS.MS-PS1-2

In the following scenario, which is evidence that physical change occurred?

A student conducted an experiment. After putting on his personal protective equipment, he collected a beaker, a stirring rod, some liquid dye, and some water. He added the water to the beaker. Then, he added liquid coloring to the water. He stirred the contents of the beaker. He observed the water turned blue, the same color of the liquid dye. 

• After putting on his personal protective equipment, he collected a beaker, a stirring rod, some liquid dye, and some water.

• He added the water to the beaker.

• He stirred the contents of the beaker.

• He observed the water turned blue, the same color of the liquid dye.

A physical change can sometimes result in a color change. Which of the following situations show this?

• Milk turns yellow when it spoils.

• Dough becomes darker when it is baked into cake.

• A match turns black when it is burned.

• A piece of red candy dissolves and turns the water pink.