Recovery: CRM 2.3 Properties and Changes of Matter

Multiple Choice

True or False: Weight is constant. It never changes.

• True

• False

Multiple Choice

True or False: Mass changes depending on location

• True

• False

Multiple Choice

What instrument do we use to measure the volume of liquids

• ruler

• scale

• graduated cylinder

• balance

Multiple Choice

How much water has been displaced in the image shown?

• 40 mL
• 65 mL
• 20 mL
• 25 mL

Multiple Choice

Bob has a rectangular prism gift box what it the volume of Bob's gift box?

• 64in³

• 60in³

• 240in³

• 24in³

Multiple Choice

Which object has the highest density in this picture?

• A

• B

• C

Multiple Choice

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 2 mL

• 7 g/cm³
• 14 g/cm³

• 0.14 g/cm³

Multiple Choice

Which of the following substances would float in water? (Hint: water has a density of 1g/cm³)

• gold

• rubber

• water

• cork

Multiple Choice

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1
• 1, 2, 3, 4
• 3, 4, 2, 1, 
• 4, 3, 1, 2

Multiple Choice

Does 1cup or 6cups of water have a higher density?

• 1 cup

• 6 cups

• They have the same density

Multiple Choice

The ability to conduct electric current is referred to as...

• density

• solubility

• malleability

• electrical conductivity

Multiple Choice

Which of the following metal objects is NOT magnetic?

• Iron Nail

• Aluminum Can

• Steel Rod

• Paper Clip

Multiple Choice

What is happening at the boiling point?

• liquid to gas
• gas to liquid
• solid to liquid
• liquid to solid

Multiple Select

All substances have the same melting points.

• false

• true

Multiple Choice

The ability of a substance to dissolve is referred to as...

• density

• solubility

• malleability

• electrical conductivity

Multiple Choice

A type of mixture that forms when one substance dissolves in another is known as a

• heterogeneous mixture

• solution

• solute

• solvent

Multiple Choice

If I dissolve sugar in water, what is the solute?

• Water
• Hydrogen
• Sugar
• Carbon

Multiple Choice

A tire is inflated with air.

• Chemical Change
• Physical Change

Multiple Choice

Freezing juice is a

• Chemical Change

• Physical Change

Multiple Choice

Which of the following is NOT an example of a physical change?

• crumpling paper

• sharpening a pencil

• clothes shrinking

• sour milk

Multiple Choice

Which of the following IS a physical change?

• Getting a haircut
• Rusty metal
• sour milk
• A compound

Multiple Choice

Iron rusts.

• Chemical change
• Physical Change

Multiple Choice

Food is digested in the stomach

• Chemical Change
• Physical Change

Multiple Choice

a copper penny turning greenish after a few years.

• Chemical Change
• Physical Change

Multiple Choice

A green powder is heated & a gas is given off while it turns to a black solid. This describes

• Physical Change

• Chemical Change

• Change in State

• Change in Temperature

Multiple Choice

Which of the following could indicate that a chemical change took place?

• Change in color

• Production of Energy

• Formation of Gas

• All are correct

Multiple Choice

In a ____ reaction, an acid and a base produce a salt and a water. 

• concentrated
• decomposition
• dilute
• neutralization

Multiple Choice

When mixed together, acidic and basic solutions will form a more neutral solution.

• true

• false

Multiple Choice

Which of the following is NOT a salt?

• Sodium Chloride

• Copper Sulfate

• Hydrochloric Acid

• Calcium Carbonate

Multiple Choice

Increase in temperature of the reactants can do one of the following

• Slow collision frequency
• Allow less effective collision between the particles
• Cause particles to lose speed
• Increase collision between the particles thus increasing the rate.

Multiple Choice

Which of the following will lower the rate

of reaction?

• increasing the temperature from 30 to 100

• decreasing the temperature from 40°C to

  10°C

Multiple Choice

There is hot water in one cup and cold water in the other cup. You stir a spoon of salt into each cup.     

In which cup will the salt dissolve more slowly? 

• The salt will not dissolve in either cup
• The salt dissolves more slowly in the hot water
• The salt dissolves more slowly in the cold water
• The salt dissolves at the same speed in both cups

Multiple Choice

If 25 grams of sugar dissolves into 150 grams of water, what is the new weight of the liquid?

• 125 g
• 150 g
• 25 g
• 175 g

Multiple Choice

As the balloon collects gas, what happens to the weight reading on the scale?

• increases
• decreases
• stays the same
• goes to zero

Multiple Choice

An oreo cookie has a mass of 20 grams. It gets crushed into crumbs for a recipe. What is the mass of the crumbs?

• 15 grams

• 25 grams

• 20 grams

Multiple Choice

If reaction starts with 20g of reactants, it will produce ---

• a total of 40g of product

• a total of 10g of product

• a total of 80 g of product

• a total of 20g of product