Bumgarner Amplify Chemical Reactions Chapter 1

Why can’t we see atoms with our eyes?

• They do not exist in real life

• They are too small to see

• They are always moving too fast to see

• They are hidden inside molecules

Why do some substances look different from others?

• They are made of different kinds of atoms arranged in different ways

• They are made of identical atoms.

• They all have the same structure but are different sizes

• They contain different amounts of thesians

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NGSS.MS-PS1-1

Which statement about atoms is true?

• Atoms can be seen with a magnifying glass

• Atoms combine in different ways to form substances with different properties

• All substances are made of only one type of atom

• Atoms can change type when a substance is heated

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NGSS.MS-PS1-1

What is scale in science?

• The relative size of something.

• A tool to measure wait.

• A ray that is used to shrink objects

• The number of atoms in a substance

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What can scientists use to tell one substance apart from another?

• The mass of the substance

• The shape of the substance

• The properties of the substance

• The container it is stored in

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NGSS.MS-PS1-2

Which of the following is a property of a substance?

• Color

• Boiling point

• Hardness

• All of the above

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NGSS.MS-PS1-2

What is a substance?

• A type of matter made of only one kind of atom or repeating group of atoms

• A mixture of different materials

• Any liquid or gas

• A material that changes shape easily

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NGSS.MS-PS1-1

Which of the following is NOT a property of a substance?

• Color

• Cost

• Density

• Melting point

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NGSS.MS-PS1-2

Which statement is true about two substances that look identical?

• They must be the same substance

• They could be different substances with similar properties

• They have the same atomic structure

• They must have the same boiling point

What makes substances different from each other?

• The number of atoms in each sample

• The different types and arrangements of atoms that make up the substance

• The size of the sample

• The way the substance is used

Tags

NGSS.MS-PS1-1