Exploring Chemical and Physical Changes for Kids

What type of changes were explored in the video?

• Biological and physical changes

• Chemical and physical changes

• Chemical and biological changes

• Physical and geographical changes

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NGSS.MS-PS1-2

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What is the main purpose of the video tutorial?

• To demonstrate scientific experiments

• To explain chemical and physical changes

• To entertain with music and applause

• To promote a product

What happens to the gallium spoon when placed in hot water?

• It dissolves completely

• It breaks into pieces

• It expands

• It melts

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NGSS.MS-PS1-4

Why is the melting of the gallium spoon considered a physical change?

• It retains its chemical properties

• It changes color

• It forms a new substance

• It becomes less shiny

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NGSS.MS-PS1-4

What is the role of the oxidizer in the chemical change demonstration?

• It changes the color of the candy

• It solidifies the gummy candy

• It cools down the reaction

• It provides necessary oxygen for burning

What indicates that a chemical change has occurred with the gummy candy?

• It changes state

• It becomes harder

• New substances are formed

• It melts

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NGSS.MS-PS1-2

What can students do to access more science topics?

• Read textbooks

• Watch television

• Sign up at generationgenius.com

• Visit a library

What grades does the website cover for science topics?

• Grades 9 to 12

• Grades 3 to 5

• Grades 6 to 8

• Grades 1 to 3

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NGSS.MS-ESS1-1

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