NGSS.5-PS1-4

Exploding Fireworks?

• Physical Change 
• Chemical Change 

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NGSS.5-PS1-4

You know that a substance has dissolved when it-

• becomes a solid
• produces condensation and has water droplets 
• spreads evenly throughout a liquid

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NGSS.5-PS1-4

Is baking a cake a physical or chemical change?

• physical
• chemical
• both
• neither

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NGSS.5-PS1-4

What is the term for combining 2 or more DIFFERENT atoms together?

• atoms
• elements
• molecules
• compounds

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NGSS.5-PS1-4

What kind of change is exploding fireworks?

• 
• 

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NGSS.5-PS1-4

Mixture or Solution?

• Mixture

• Solution

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NGSS.5-PS1-4

Combination of two or more different kinds of substances that keep their own physical properties and can be easily separated.

• Solution

• Mixture

• Solubility

• Miscibility

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NGSS.5-PS1-4

A mixture combines 2 or more materials without changing their properties.

• True
• False

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NGSS.5-PS1-4

What is the best definition of a chemical change?

• A change in the state of matter in which the form changes but the properties stay the same.

• A change in the state of matter in which the material changes into an entirely different material with properties that are different from the original material.

• A change in the state of matter in which the material is still the same just in a different form.

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NGSS.5-PS1-4

In a chemical reaction or change a new substance is not created.

• true

• false

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NGSS.5-PS1-4