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Physical Science > Density and Characteristic Properties > Flashcards

Density and Characteristic Properties Flashcards

To learn about different types of properties and how they can be used to identify substances

1
Q

What types of properties would be properties of objects?

A

Properties about size, shape, or amount.

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2
Q

What types of properties would be properties of substances?

A

Properties that different samples of the substance would have.

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3
Q

Would luster be a property of an object or substance?

A

substance

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4
Q

Would color be a property of an object or substance?

A

substance

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5
Q

Would spherical be a property of an object or substance?

A

object

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6
Q

Would pointed be a property of an object or substance?

A

object

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7
Q

Would smelly be a property of an object or substance

A

substance

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8
Q

Would heavy be a property of an object or substance?

A

object

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9
Q

How do you determine that a property is a physical property?

A

You can observe the property without changing its chemical identity.

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10
Q

How do you determine that a property is a chemical property?

A

The property describes how the substance acts in the presence of other substances.

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11
Q

Is state of matter a chemical or physical property?

A

Physical

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12
Q

A substance is inert. Is that a chemical or physical property?

A

chemical

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13
Q

A substance is corrosive. Is that a chemical or physical property?

A

chemical

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14
Q

A substance is shiney. Is that a chemical or physical property?

A

physical

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15
Q

A substance is smooth. Is that a chemical or physical property?

A

physical

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16
Q

A substance is flammable. Is that a chemical or physical property?

A

chemical

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17
Q

How do you know that a chemical change occurred?

A

A new substance with new properties forms.

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18
Q

How do you know that a physical change occurred?

A

The substance keeps its chemical identity.

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19
Q

Is butter melting a chemical or physical change?

20
Q

Is mixing iron and oxygen to form rust a chemical or physical change?

21
Q

Is fruit rotting a chemical or physical change

22
Q

Is carving a piece of wood a chemical or physical change?

23
Q

Is a burning match a chemical or physical change?

24
Q

Is liquid wax hardening a chemical or physical change?

25
Q

What is a characteristic property?

A

A chemical or physical property that helps to identify a substance.

26
Q

What three things are true about characteristic properties?

A
  1. Property does not depend on amount. 2. All samples of the substance have the property. 3. The property is different for similar substances.
27
Q

Is the weight of an object a characteristic property?

A

No. Weight depends on the amount of the substance.

28
Q

Is the color of the substance a characteristic property?

A

No. Different substances can have the same color. The same substance can have different colors.

29
Q

Is boiling point of a substance a characteristic property?

A

Yes. All samples of the substance would have that boiling point.

30
Q

Is the shape of an object a characteristic property?

A

No. Objects made from different substances can have the same shape.

31
Q

What is density?

A

Density is the ratio of mass to volume of an object.

32
Q

Two objects have the same mass. Are they made from the same substance?

A

No. Mass is not a characteristic property.

33
Q

Two objects have the same volume. Are they made from the same substance?

A

No. Volume is not a characteristic property

34
Q

Two objects have the same shape. Are they made from the same substance?

A

No. Shape is not a characteristic property

35
Q

A sphere has a density of 4.2 g/mL and a cube has a density of 4.2 g/mL. Are they made from the same substance?

A

Yes. Density is a characteristic property. The shape does not matter.

36
Q

A cube has a density of 4.2 g/mL. Another cube has a density of 5.3 g/mL. Are they made from the same substance?

A

No. They don’t have the same density, and density is a characteristic property.

37
Q

What are possible units for mass?

A

grams or kilograms

38
Q

What are possible units for volume?

A

liters, milliliters, cubic centimeters

39
Q

g/mL or kg/L are units for which variable?

40
Q

What instrument is used to measure volume of a regular solid?

A

metric ruler

41
Q

What instrument is used to measure the mass of a solid?

42
Q

What instrument is used to measure the volume of a liquid or an irregular-shaped solid?

A

a graduated cylinder

43
Q

What is a precipitate?

A

A solid that falls out of solution

44
Q

Which of the following is not an indicator of a chemical change: gas forms, precipitate forms, shape changes

A

Shape changes

45
Q

Which of the following is not an indicator of a chemical change: odor released, energy released, state of matter changes

A

State of matter changes

Physical Science (11 decks)

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