Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science Chapter 6 > Key Terms > Flashcards

Key Terms Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Matter

A

Anything that has a mass and takes up space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Chemistry

A

Study of matter and how it changes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Physical properties

A

Is a characteristic of a substance that can be observed without changing the substance into another substance.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Chemical properties

A

A characteristic of a substance that describes its ability to change into other substances.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Physical change

A

Is any change that alters the form or appearance of a substance but does not make the substance into another substance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Chemical change

A

A change in matter that produces one or more new substances.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Reactants

A

Substances that undergo change in a chemical reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Products

A

New substances formed by the reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Precipitate

A

A solid that forms from solution during a chemical reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Endothermic reaction

A

The total making and breaking of bonds results in a net absorption of energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Exothermic reaction

A

The total making and breaking of bonds results in abbey release of energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Chemical equation

A

Is a short, easy way to show a chemical reaction, using symbols instead of words

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Conservation of matter

A

During a chemical reaction, matter is neither created nor destroyed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Open system

A

Matter can enter from or escape to the surroundings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Closed systems

A

Matter is not allowed to enter or leave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Coefficient

A

Is a number placed on front of a chemical formula in an equation

17
Q

Synthesis

A

Two or more elements or compounds combine to make a more complex substance

18
Q

Decomposition

A

Occurs when compounds break down into simpler products

19
Q

Replacement

A

Two elements in different compounds trade places

20
Q

Activation energy

A

The minimum amount of energy needed to start a chemical reaction

21
Q

Concentration

A

The amount of a substance in a given volume

22
Q

Catalyst

A

Is a material that increases the rate of a reaction by lowering the activation energy

23
Q

Enzymes

A

Cells in the body that contain biological catalyst

24
Q

Inhibitors

A

A material used to decrease the rate of a reaction

25
Q

Combustion

A

A rapid reaction between oxygen and fuel

26
Q

Fuel

A

A material that releases energy when it burns

Science Chapter 6 (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions