Chapter 6 Flashcards

(31 cards)

1
Q

What kind of change occurs when you mix milk and chocolate sauce?

A

A physical change.

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2
Q

The smallest part of an element that has all of its properties is an___________.

A

Atom

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3
Q

what type of matter takes the shape of its container?

A

A liquid

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4
Q

When gas cools and becomes liquid it has________________.

A

Condensed

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5
Q

A substance with no volume or shape is a_______________.

A

Gas

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6
Q

What term describes the change that occurs when liquid becomes a gas?

A

Evaporation

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7
Q

When scientific chart contains all of the known elements?

A

The periodic table

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8
Q

When 2 substances combine and make a new type of matter, they have gone through a_____________________.

A

Chemical change

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9
Q

What happens when heat is added to a solid?

A

It melts

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10
Q

The amount of matter in an object, makes up its__________

A

Mass

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11
Q

The periodic table contains information about_________________.

A

The elements

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12
Q

Describe matter________________________________________________________________________________________________________________________________

A

Anything that has mass and volume

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13
Q

Name 3 states of matter_____________________________.

A

Solid, liquid,gas

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14
Q

what state of matter is air?

A

A gas

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15
Q

Name 5 elements you can find on the periodic table.

A

Hydrogen, helium, sodium, carbon, nitrogen, oxygen lithium, iron, nickel, copper, gold, lead, zinc

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16
Q

Do solids hold there shape?

17
Q

Name the one thing that can be found in all 3 states of matter: solid liquid and gas.

18
Q

Can you use your senses to describe matter?

A

Yes! How something looks, feels, sounds, smells, or tastes, are all properties of matter.

19
Q

Can you measure mass on a scale?

20
Q

What is volume?

A

The amount of space an object takes up.

21
Q

What elements are water made up of?

A

Hydrogen and oxygen (H2O = Water)

22
Q

Do solids and liquids have a definite volume?

23
Q

What do scientists use to arrange all of the elements?

A

The periodic table

24
Q

What is the smallest unit of an element?

25
Is it true that elements are the building blocks of matter?
Yes
26
What type of change would happen if you put ice-cream, chocolate, and milk into a blender?
A physical change.
27
Do chemical changes cause different kinds of matter to form?
Yes. Example: If you have a wood burning fire, the wood will change to ashes. The wood would no longer be there.
28
What happens when a liquid turns into solid?
It freezes
29
How is the periodic table organized?
The elements are organized by their atomic number, beginning with #1. The elements are also organized into 3 different groups: metals, non metals, and semimetals.
30
What is the difference between a physical and a chemical change?
When a physical change occurs, the matter looks different but is still the same matter. when a chemical change occurs, a new kind of matter forms and has different properties.
31
How are freezing and melting alike? How are they different?
Freezing and melting are both changes of state between liquid and sold. Freezing occurs when a liquid loses energy. (Cold temperatures remove energy) Melting occurs when a solid gains energy. (Heat adds energy)