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Science quiz 3 Grade 9 > Science quiz 3 grade 9 > Flashcards

Science quiz 3 grade 9 Flashcards

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1
Q

Density equals

A

Mass divided by volume

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2
Q

Mass equals

A

Density times volume

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3
Q

Volume equals

A

Length times height times width

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4
Q

5 points of particle theory

A

All matter is made up of tiny particles. particles are always moving, particles have spaces between them, particles are attracted to each other, and different substances have different types of particles.

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5
Q

Solids

A

particles are tightly packed

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6
Q

liquids

A

particles are close together, but can move past each other

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7
Q

gases

A

Particles are far apart and move freely at high speeds

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8
Q

elements

A

substances made by only one type of particle

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9
Q

compounds

A

substances made up of 2 or more particles

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10
Q

Solution mixtures

A

The components are mixed and appear as one

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11
Q

Mechanical mixtures

A

Components can be seen as different after mixed

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12
Q

Physical properties

A

Can be observed or measured with changing the substance

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13
Q

chemical properties

A

describe how a substance reacts to form new substances

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14
Q

Physical changes

A

No new substance is formed

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15
Q

Chemical changes

A

A new substance is formed

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16
Q

Evidence of a chemical change

A

Color change, formation of a gas, formation of a precipitate, release or absorption of heat/light, and change in smell

17
Q

Quantitative

A

Measurable properties

18
Q

Qualitative

A

Descriptive properties

19
Q

Characteristic properties

A

Unique to a substance and can identify it

20
Q

Non characteristic properties

A

Cant uniquely identify a substance

21
Q

Measuring liquids

A

Use a graduated cylinder

22
Q

Regular solids

A

length x width x height

23
Q

Irregular solids

A

Use the water displacement method

Science quiz 3 Grade 9 (1 decks)

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