8 IS 1.4

What is an example of a change of state?

• Water freezing into ice

• Iron rusting

• Paper burning

• Milk souring

Tags

NGSS.MS-PS1-4

What new substances are formed when methane burns?

• Oxygen and nitrogen

• Carbon dioxide and water vapor

• Hydrogen and helium

• Sulfur dioxide and ammonia

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the process called when fuels combine with oxygen to produce heat, light, and new substances?

• Evaporation

• Combustion

• Condensation

• Sublimation

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NGSS.MS-PS1-5

What is an example of a metal that tarnishes?

• Steel

• Aluminum

• Iron

• Brass

What is the result of the slow combination of a bright metal with sulfur?

• Combustion

• Oxidation

• Electrolysis

• Tarnishing

Tags

NGSS.MS-PS1-2

What is the main compound found in natural gas?

• Methane

• Ethane

• Propane

• Butane

Look at the image in Figure 5 on page 25. Fill in the blanks on the images identifying the number of atoms of each element on both sides of the chemical equation.

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NGSS.MS-PS1-1

NGSS.MS-PS1-5

Does the chemical reaction shown in Figure 5 follow the law of conservation of mass?

• Yes

• No

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is thermal energy?

• The energy of motion of all the particles in an object

• The energy of light

• The energy of sound

• The energy of electricity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is an endothermic change?

• A change in which energy is released

• A change in which energy is absorbed

• A change in which energy is converted to light

• A change in which energy is stored

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4