Lesson 1 | Understanding Science

Lesson 1 | Understanding Science

Student Labs and Activities

Content Vocabulary Lesson Outline Content Practice A Content Practice B School to Home Key Concept Builders Enrichment Challenge

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Scientific Explanations

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Content Vocabulary

LESSON 1

Understanding Science

Directions: Answer each question or respond to each statement on the lines provided. You must include the terms below in your answers.

biology observation

critical thinking prediction

ethics scientific law

hypothesis scientific theory

inference technology

1. What are three examples of technology?

2. What is observation? Why is it important to scientists?

3. What role does critical thinking play in evaluating scientific evidence?

4. How is a scientific law different from a scientific theory?

5. How do you make an inference?

6. Contrast a hypothesis and a prediction.

7. Why are ethics particularly important in specific types of scientific investigation?

8. Define biology. Name two other branches of science.

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Lesson Outline

LESSON 1

Understanding Science

A. What is science?

1. The investigation and exploration of natural events and of the new information

that results from those investigations is called

.

2. Scientists observe the natural world and form what they see.

about

3. Scientists use reliable skills and

in problem solving.

B. Branches of Science

1. Life science, or

, is the study of all living things.

2.

science is the study of Earth, including its landforms,

rocks, soil, and forces that shape Earth's surface.

3. Physical science is the study of

and physics; physical

scientists study the interactions of matter and

.

C. Scientific Inquiry

1. As scientists study the what they observe.

world, they ask questions about

2. Scientists practice of skills and tools to answer questions.

inquiry--a process that uses a variety

3. A scientist usually begins a scientific investigation by making a(n)

, which involves gathering information.

4. A(n)

is a logical explanation of an observation that is

drawn from prior knowledge or experience.

5. After making observations and inferences, scientists sometimes form a(n)

that can be tested by scientific investigation.

6. When a scientist forms a hypothesis, he or she usually makes

a(n)

, or a statement about what will happen next in

a(n)

of events.

7. Testing a(n)

often means testing predictions; if the

prediction is confirmed, it

the hypothesis, and if the

prediction is not confirmed, the hypothesis might need revision.

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Lesson Outline continued

8. Three ways to organize

are to create graphs, classify

information, and make models and

.

9. Scientists must decide whether or not the collected support their hypothesis.

they have

10. Scientists might make more inferences when drawing

.

11. Communicating

is important because scientists use new

information in their

.

D. Results of Scientific Inquiry

1. Outcomes of scientific inquiry may include technology, new

, and possible explanations for phenomena.

2. The practical use of scientific knowledge, especially for industrial or commercial

use, is called

.

E. Scientific Theory and Scientific Laws

1. An explanation of observations or events based on knowledge gained from many

observations and investigations is called a(n)

.

2. A(n) always true.

describes a pattern or an event in nature that is

3. It is important to be scientific issues presented in the media.

, or to question information, about

4. Comparing what you already know with the information you are given in order to

decide whether you agree with it is called

.

5. Science cannot answer questions about

opinions,

values, beliefs, or

.

6. Scientists follow safety

when they conduct

.

7. It is important to follow things or do research with people.

when you work with living

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Content Practice A

LESSON 1

Understanding Science

Directions: Complete the crossword puzzle with the correct terms from the word bank.

hypothesis scientific law

inference scientific theory

observation technology

prediction

1

2

3

4

5

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7

Across 4. describes a pattern or an event in nature that is always true 5. the practical use of scientific knowledge, especially for industrial or commercial use 6. using one or more senses to gather information and notice what occurs 7. a possible explanation about an observation that can be tested by scientific investigations

Scientific Explanations

Down 1. a statement about what will happen next in a sequence of events 2. a logical explanation of an observation that is drawn from prior knowledge or experience 3. an explanation of observations or events based on knowledge gained from many observations and investigations

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Content Practice B

LESSON 1

Understanding Science

Directions: On the line before each question, write L if the question might be asked by a life scientist, E if the question might be asked by an Earth scientist, or P if the question might be asked by a physical scientist.

1.

How do rocks form?

2.

How does an object's motion change?

3.

What substances are in soil?

4.

Why does a liquid change to a solid?

5.

How do plants produce their own food?

6.

Why do some animals give birth to live young and others lay eggs?

7.

How are force and motion related?

8.

How are reptiles and birds related?

9.

What causes earthquakes?

Directions: Answer each question or respond to each statement on the lines provided.

10. What is science?

11. Give an example of how you can use scientific inquiry to solve a real-life problem.

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School to Home

LESSON 1

Understanding Science

Directions: Use your textbook to complete the activity.

Fill in the table about the branches of science. In the second column, write a description of each branch of science in your own words. Then, read in your textbook the examples of questions asked by scientists in each branch of science. In the third column, write three additional questions that might be asked by scientists in each field.

Branch of Science

Description

Questions a.

b. Life science

c.

a.

b. Earth science

c.

a.

b. Physical science

c.

Copyright ? Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

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Name

Key Concept Builder

Understanding Science

Key Concept What is scientific inquiry?

Directions: Answer each question in the space provided.

Question 1. What steps might a scientist take

when he or she asks questions?

Date

Answer

Class

LESSON 1

2. What steps might a scientist take when he or she tests a hypothesis?

3. What different things might a scientist do when he or she analyzes results?

4. Inferring and reasoning fall under which step of scientific inquiry?

5. What conditions might cause a scientist to modify or revise a hypothesis?

6. What are some ways that a scientist can communicate results?

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