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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