8th Science MIDTERMS

Question 1

Nature of Science

What does science study?

Lesson 1

Answer 1

The world

Question 2

Nature of Science

What are the different branches of science?

Lesson 1

Question 3

Nature of Science

How does scientific thinking differ from other activities

Lesson 1

Question 4

Nature of Science

Empirical evidence

Lesson 1

Answer 4

The observations, measurements, and other types of data that people gather and test to support and evaluate scientific explanations

Question 5

Nature of Science

What are scientific explanations?

Lesson 1

Question 6

Nature of Science

How do scientists show creativity in designing experiments?

Lesson 1

Question 7

Nature of Science

How do scientists show creativity in explaining observations?

Lesson 1

Question 8

Nature of Science

Types of Scientific Explanations

Lesson 2

Answer 8

Theories, models, and laws

Question 9

Nature of Science

Theories

Lesson 2

Answer 9

Explains and supports a law with data

Question 10

Nature of Science

Models

Lesson 2

Answer 10

A mathematical, physical, or digital replication of something to investigate or display something that is too small, large, complex, or dangerous to be near

Question 11

Nature of Science

Laws

Lesson 2

Question 12

Nature of Science

What makes good scientific knowledge?

Lesson 2

Question 13

Nature of Science

What makes a good source?

Lesson 2

Question 14

Nature of Science

Examples of good sources

Lesson 2

Answer 14

University/Government sources, research institutions, and scientific journals

Question 15

Nature of Science

Types of Scientific Investigations

Lesson 3

Answer 15

Experiments and observations

Question 16

Nature of Science

Experiments Vs Observations

Lesson 3

Answer 16

Experiments -
Observations -

Question 17

Nature of Science

Parts that make up scientific investigations

Lesson 3

Answer 17

Hypothesis -
Variables -
Data -

Question 17

Nature of Science

Scientific Method

Lesson 3

Question 18

Nature of Science

How are scientific methods used through observation?

Lesson 3

Question 19

Nature of Science

How are scientific methods used in a lab

Lesson 3

Question 20

Nature of Science

How do you know an investigation is valid?

Lesson 3

Answer 20

Peer review, Repetition (Same person), and Replication (Other people)

Question 21

Nature of Science

How do scientists make sense of data?

Lesson 4

Answer 21

Organize, graph, and anaylyze the data

Question 22

Nature of Science

What do graphs show?

Lesson 4

Answer 22

Independent and dependent variables

Question 23

Nature of Science

How are graphs constructed?

Lesson 4

Question 24

# Nature of Science Types of Models | Lesson 4

Answer 24

Mathematical and physical models

Question 25

# Nature of Science What does science affect? | Lesson 5

Answer 25

The way we thing and live our lives

Question 26

# Nature of Science Who contributes to science? | Lesson 5

Answer 26

Those who do scientific research, and those who ask scientific questions and seek answers

Question 27

# Nature of Science Technology | Lesson 6

Question 28

# Nature of Science Engineering | Lesson 6

Question 29

# Nature of Science Engineering design process | Lesson 6

Question 30

# Matter What is Matter? | Lesson 1

Answer 30

Anything with mass and volume

Question 30

# Matter How to find volume? | Lesson 1

Answer 30

Length x width x height or water displacement

Question 30

# Matter How does mass differ from weight? | Lesson 1

Answer 30

Mass - How much matter is in an object - Grams/Pounds Weight - How much gravity pulls the object down - Newtons

Question 30

# Matter What is density? | Lesson 1

Answer 30

D=M/V Water is 1 =g/ml The less dense object will always float and the more dense object will always sink

Question 30

# Matter Physical Properties + Examples | Lesson 2

Question 30

# Matter Chemical Properties + Examples | Lesson 2

Question 31

# Matter Physical Vs Chemical properties | Lesson 2

Question 32

# Matter What are physical changes? | Lesson 3

Answer 32

Changes that are observable but doesn't change the substance itself

Question 33

# Matter What are chemical changes? | Lesson 3

Answer 33

Changes in a substance's chemical makeup, always becomes a new substance entirely

Question 34

# Matter Physical and Chemical Changes Examples | Lesson 3

Answer 34

Physical - Chemical -

Question 35

# Matter How can you tell a chemical change has occured? | Lesson 3

Answer 35

Production of gas, odor, precipitate, or change in energy or color

Question 36

# Matter Law of conservation of mass in physical changes | Lesson 3

Question 37

# Matter Law of conservation of mass in chemical changes | Lesson 3

Question 38

# Matter How do particles move in solids, liquids, and gases? | Lesson 4

Answer 38

Solids - Vibrate in place Liquids - Slide past each other Gases - Run around freely

Question 39

# Matter Definite Volume/Shape? | Lesson 4

Answer 39

Solids - Both Liquids - Only volume Gases - Neither

Question 40

# Matter Solid to liquid to gas | Lesson 4

Answer 40

Melting and Vaporization/Boiling

Question 40

# Matter Gas to liquid to solid | Lesson 4

Answer 40

Condensation and Freezing

Question 41

# Matter Gas to solid and solid to gas

Answer 41

Deposition and Sublimation