Name: ___________________________________ Date



Name: ___________________________________ Date: ___________________________ Period: ______

Interactive Textbook Activity – Physical Science

Chapters 1 : Introduction to Science

Directions: Access your HRW account on the Holt McDougal website ( ) and log in with your personal username and password). Click “Go to the online textbook.” Using the drop down menu on the top of the page select Chapter 1: Introduction to Science, then click “Go.” Click on the visual concepts tab at the top. Watch each of the Visual Concepts multimedia presentations and answer the following questions.

Section 1 Nature of Science

Scientific Method

1. According to your text most scientist follow ____ basic steps of the ______________ _______________ (our note are 5 steps)

2. First scientist make __________________________. And these lead to ______________

3. A scientist often investigates a question with a _____________________________.

4. Scientist test hypothesis by gathering _______________

5. Finally scientist must _________________ that there test supported their hypothesis

6. Scientist often present their findings in ______________, journal articles, and _______.

Natural Science

1. Science has ___________ main branches: _____________ science and  __________ science.

2. The natural sciences include what 3: ________________________, ________________________, and __________________________.

3. Name a sub-category under the following shown:

Life science: ___________________________________

Physical science: ________________________________

Earth science: __________________________________

4 Scientist working in the natural sciences try to understand nature which means the entire ________________________.

5 Life science is the study of ________________ organisms.

6. Botany is the study of ___________________.

7. Zoology is the study of __________________.

8. Ecology is the study of the ____________________ of living things and their ____________________

9. Physical science is the study of ____________________ matter.

10. Physical science includes ___________________ and physics.

11. Physics is the study of forces and ___________________.

12. Earth science is the study of the _________________ and ______________ of the Earth and its structure.

13. Meteorology is the study of Earth’s ________________ especially connected to weather and __________________.

Biology

1. What are the 3 main areas of biology: ___________________. _______________ and _______________________.

2. Biology covers from tiny ___________________ of DNA to large _______________ issues of the Earth.

Physics

1. Physics is the study of the physical ____________________.

2. Name two branches of physics: _____________________& ___________________

3. Mechanics is the study of ___________________ and its causes.

4. Thermodynamics is the study of heat and _____________________________.

5. Waves is the study of repetitive _______________________.

6. Optics is the study of ____________________ rays.

7. Electromagnetism is the study of electricity, ________________ and light.

8. Relativity is the study of __________________ motion.

9. Quantum mechanics is the study of structure and the behavior of the ________________.

Earth Sciences

1. Earth science includes geology _______________ meteorology and astronomy.

2. Anything and everything having to do with the ________________ Earth, is part of geology. If your interest in the liquid gold of crude ___________, geology may have a _____________ for you.

3. In oceanography you may adventure scuba diving around __________ __________ or around sea mounts.

4. Meteorology is the study of the Earth’s ________________________.

5. Astronomy is the study of all ______________ objects beyond the Earth. Like _______________, ________________, ________________ everything out there.

Comparing Theories and Laws

1. A scientific theory is an ________________ that has been test by repeated

observations.

2. For example the _________ __________ theory, is an explanation for the __________ or the __________________.

3. Laws only tell you ____________ happens, not ___________ it happens.

Models

1. Models are used to represent things that are to _____________ to see, such as ______

2. Models can represent objects that are to large or are to ___________ ___________

3. Scientist and engineers use ________________ to model systems of things that are too dangerous.

4. Scientist use lawn mower model to help understand how ____________ behaves.

Physical, Mathematical, and Conceptual Models

1. Physical models can be ________________, like the ______________ shown here.

2. Mathematical models are made up of mathematical ________________ and data. Model map shown here would be used by what scientist? ____________________

3. Conceptual models are composed of many __________________. An __________ model is an example of a conceptual model.

Section 2 The Way Science Works

Hypothesis

1. A hypothesis is a ___________ or ________________ that is based on observation that

can be tested

2. A propulsion system is what makes a boat ____________, most boats are driven by _______________

3. Sarnouski observe _____________ swimming at the ___________ __________ aquarium.

4. The __________________ built prodius and is _______ percent more efficient than propeller driven boats.

Control Experiment and Variable

1. A control experiment _____________ a control group to experimental group

2. A variable is a factor in an experiment that _____________. What is the variable in the experiment shown here: ____________________________

3. What type of frog eggs are they tested? ________________________________

SI (Le Systeme International d’Unites

1. What does SI stand for: _________________ _______________ ___ _____________.

2. This measurement system is accepted ____________________________.

3. Meters is a unit of ______________________.

Kilograms is a unit of ___________________.

Seconds is a unit of ____________________.

Kelvin and Celsius is a unit of ___________________________.

4. How many meters in a kilometer ? _______________________

How many centimeters in a meter ? ___________________.

5. The basic units for volume are ________________(L) and _____________________ (mL)

6. 0° C = _________________ kelvin which is freezing tem of water. What is the boiling point

of water on these scales? __________C ________K

Volume

1. All matter occupies __________________.

2. Volume is defined by the _________________ of space something has, it can be a solid

__________________ or gas.

3. The volume of the cube shown can be measured in ___________________ or

____________________ .

4. The volume of a liquid is often measured in ________________ or _________________.

5. When measuring volume 1mL is equal to 1 _______________ _____________ .

6. The volume of an irregular shape object can be found by ___________________ it in water.

7. When measuring gas volume it will _________________ to fill the container.

Section 3 Organizing Data

Scientific Notation

1. Scientific notation is a ______________ of expressing a quantity as a number multiplied by _____ to the appropriate ________________. 

2. What is the speed of light in meters per second? _________________________________.

3. How is this number expressed in Sci. Notation: _________________________________.

Significant Figures

1. Significant figures are all the _________ of a measurement known with certainty plus one final digit, which is somewhat uncertain or is _____________________.

2. For example,(shown here) if you used a ruler to measure a _____________, you might find that the length of the nail was halfway between 6.3 and 6.4 cm. The ones and the tenths place are _______________. The hundredths place is __________________ and is the smallest significant figure you can find using a ruler.

Accuracy and Precision

1. Accuracy is the _____________ of measurements to the correct or accepted ________ of the quantity measured.

6. _______________ is the closeness of a set of measurements of the same ___________

made in the same way.

7. Hitting the bulls eye is that with all darts is both ___________ and ________________.

8. When data is close together and not on the target it is considered ___________ not

accurate

9. When looking at experimental data precision lets us know that experiment was done ______________ and in a ____________ environment. Accuracy suggest that experiment has accounted for all _____________ in the study.

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