Exploring Physical and Chemical Properties and Changes

What is the main goal of the video tutorial?

• To study the periodic table

• To learn about the history of chemistry

• To learn about famous chemists

• To understand physical and chemical properties and changes

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NGSS.MS-PS1-2

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NGSS.MS-PS1-5

Which of the following is a physical property?

• Flammability

• Toxicity

• Color

• Reactivity with acid

Which of the following is NOT a physical property?

• Density

• Melting point

• Combustibility

• Magnetism

What is an example of a chemical property?

• Texture

• Volume

• Flammability

• Mass

Tags

NGSS.MS-PS1-5

What must happen for a change to be classified as a chemical change?

• The substance must change state

• The substance must change color

• Chemical bonds must be created or broken

• The substance must dissolve in water

Tags

NGSS.MS-PS1-2

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Which of the following is a sign of a chemical reaction?

• Change in temperature on its own

• Change in shape

• Change in size

• Change in state

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NGSS.MS-PS1-2

What is a precipitate?

• A liquid formed from a solid

• A solid formed from two liquids

• A gas formed during a reaction

• A change in color

Which of the following is an example of a physical change?

• Burning

• Rusting

• Decomposing

• Melting

Tags

NGSS.MS-PS1-4

What happens during a phase change?

• A new substance is created

• The chemical composition changes

• New chemical bonds are formed

• The state of matter changes

Tags

NGSS.MS-PS1-4

How can mixtures be separated?

• By burning

• By filtering

• By rusting

• By decomposing