Chapter 3.A

Open Ended

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Open Ended

How do you think the concepts of matter and energy relate to the food we eat every day?

Multiple Choice

Why is understanding matter and energy important for maintaining a healthy lifestyle?

• Because it helps us understand nutrition and balanced diets

• Because it is only important for scientists

• Because it has nothing to do with health

• Because it only relates to physical exercise

Multiple Choice

Which of the following best describes matter?

• Anything that has mass and occupies space

• Anything that is visible to the naked eye

• Anything that can be touched

• Anything that is a liquid

Open Ended

Explain how pure substances and mixtures differ in terms of their composition.

Multiple Choice

Which of the following are classified as pure substances?

• Copper

• Brass

• Water and copper mixture

• Brass (copper and zinc)

Multiple Select

Which of the following are compounds?

• Table salt (NaCl)

• Copper (Cu)

• Table sugar (C12H22O11)

• Lead (Pb)

Open Ended

Describe what happens when table salt (NaCl) is decomposed.

Multiple Choice

Which of the following best describes a mixture?

• A substance that cannot be separated by physical methods.

• A substance with a uniform composition throughout.

• Two or more substances physically mixed but not chemically combined.

• A substance made of only one type of atom.

Multiple Choice

Kool-Aid

• Element
• Compound
• Homogeneous Mixture
• Heterogeneous Mixture

Multiple Select

Which of the following are examples of homogeneous mixtures?

• Brass (copper and zinc)

• Copper metal and water

• Nitrox (oxygen and nitrogen gases)

• Pasta and tomato sauce

Multiple Choice

This type of mixture contains two or more substances that are visibly distinguishable. 

• homogeneous
• heterogeneous
• solution
• colloid

Multiple Choice

Based on the classification of matter diagram, which of the following is a compound?

• Copper

• Water

• Brass

• Air

Open Ended

Identify each of the following as a pure substance or mixture: A. pasta and tomato sauce B. aluminum foil C. helium D. air

Multiple Choice

Which of the following is a pure substance?

• Pasta and tomato sauce

• Aluminum foil

• Air

• Hot fudge sundae

Multiple Choice

Which of the following mixtures is homogeneous?

• Hot fudge sundae

• Shampoo

• Sugar water

• Peach pie

Multiple Choice

What happens to a gold ingot when it is hammered, as shown in the image?

• It melts into a liquid

• It forms gold leaf

• It dissolves in water

• It changes into a gas

Multiple Select

Which of the following are properties of solids?

• Definite shape

• Definite volume

• Particles move very quickly

• Particles are close together in a fixed arrangement

Multiple Choice

Which of the following is NOT a property of gases?

• Gases have a definite shape.

• Gases have an indefinite volume.

• Gases have particles that are far apart.

• Gases take the shape and volume of their container.

Multiple Choice

Which characteristics are true for both liquids and gases?

• Definite shape

• Definite volume

• Takes the shape of the container

• Particles move very fast

Open Ended

Explain why air in a tire is considered a gas, using properties of gases.

Multiple Choice

What is the state of matter of vegetable oil?

• Solid

• Liquid

• Gas

• Plasma

Multiple Choice

Density is a 

• Chemical Property 
• Physical Property 
• Both A and B
• None of the above

Multiple Choice

Ability to rust is this type of property:

• Physical property
• Chemical property

Multiple Choice

Is copper tarnishing a physical or chemical change?

• Physical 
• Chemical

Multiple Choice

Is burning wood a chemical or physical change?

• chemical
• physical

Multiple Choice

Is milk going sour a physical or chemical change?

• Physical 
• Chemical

Multiple Choice

melting ice cream

• physical change
• chemical change

Multiple Choice

Is cutting an apple into slices an example of a physical change or a chemical change?

• Physical Change
• Chemical Change

Multiple Choice

Instrument that measures temperature?

• Ruler

• Thermometer

• Protractor

• Compass

Multiple Choice

To convert from ^oC to Kelvin, which equation should you use?

• ^oC + 273.15

• ^oC - 273.15

• ^oC x 273.15

• K + 273.15

Multiple Choice

What is the temperature at which water boils?

• 32 F

• 100 F

• 373 K

• 133 K

Multiple Choice

How many Celsius units are between the boiling and freezing points of water?

• 120
• 100
• 75
• 50

Multiple Choice

On a cold winter day, the temperature is -15°F. What is that temperature in degrees Celsius?

• -26°C

• 42°C

• 6°C

• 100°C

Multiple Choice

What is the normal body temperature, -37°C in kelvins?

• 320 K

• 10 K

• 310 K

• 100 K