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Real World Applications of Matter

Real World Applications of Matter

Assessment

Presentation

Science

7th Grade

Practice Problem

Hard

Created by

ROBERTO CUELLO

FREE Resource

10 Slides • 12 Questions

1

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2

Open Ended

Why is understanding the properties of matter important for solving real-world problems?

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4

Multiple Choice

Which of the following is a characteristic of solids as described in the presentation?

1

They maintain their shape due to strong molecular bonds.

2

They flow and take the shape of their container.

3

They can be compressed and have low density.

4

They expand to fill spaces.

5

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6

Multiple Choice

Which process is responsible for the browning and flavor development in cooked foods like bread crusts and roasted meat?

1

Protein denaturation

2

Caramelization

3

Maillard reaction

4

Phase changes

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8

Open Ended

Explain how the properties of materials used in home construction affect their suitability for different areas, such as kitchens and bathrooms.

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10

Multiple Select

Which of the following are ways that cleaning agents remove dirt?

1

Breaking down mineral deposits

2

Surrounding oil particles

3

Neutralizing acidic stains

4

Increasing water temperature

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12

Fill in the Blank

Aluminum alloys are used in vehicles mainly because they reduce ___ while maintaining strength.

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14

Multiple Choice

Which material is essential for storing and releasing electrons in modern electronic devices?

1

Glass fibers

2

Lithium compounds

3

Silicon

4

Liquid crystals

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16

Open Ended

Describe how the water, carbon, and nitrogen cycles contribute to the sustainability of natural systems.

17

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18

Multiple Choice

Which of the following is an example of how understanding matter benefits medical applications?

1

MRI visualizes soft tissues using magnetic properties of hydrogen atoms

2

Time-release medications control dissolution rates through chemistry

3

Biocompatible polymers integrate with body tissues

4

All of the above

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20

Open Ended

Describe two ways in which future innovations in matter science could impact technology or healthcare.

21

Multiple Choice

Which of the following is a property of gases?

1

They maintain their shape and resist deformation.

2

They flow and take the shape of their container but cannot be compressed easily.

3

They expand to fill spaces and can be compressed.

4

They have strong molecular bonds.

22

Open Ended

How do the properties of solids, liquids, and gases affect their use in everyday life?

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