Introducing Physical Science: Methods, Measurements and Matter

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Practice Problem

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Hard

Abraham Onche

FREE Resource

25 Slides • 38 Questions

Scientific Method

1. Ask a question
2. Research Topic
3. Form Hypothesis
4. Test Hypothesis
5. Analyze Data
6. Conclusion & Communicate Results

Multiple Choice

What step comes after you ask a question?

conclusion & communicate results

test your hypothesis

research topic

Scientific Method

1. Ask a question
2. Research Topic
3. Form Hypothesis
4. Test Hypothesis
5. Analyze Data
6. Conclusion & Communicate Results

Multiple Choice

What step occurs after you form a hypothesis?

research topic

test a hypothesis

analyze data

Scientific Method

1. Ask a question
2. Research Topic
3. Form Hypothesis
4. Test Hypothesis
5. Analyze Data
6. Conclusion & Communicate Results

Multiple Choice

What is the last step in the scientific method?

conclusion & communicate results

ask a question

form a hypothesis

Scientific Method

1. Ask a question
2. Research Topic
3. Form Hypothesis
4. Test Hypothesis
5. Analyze Data
6. Conclusion & Communicate Results

Qualitative vs Quantitative

qualitative - "quality" describing something using words

quantitative - "quantity" describing something using numbers

Multiple Choice

Which of the following are qualitative?

red pen

4 boys

2 plants

Multiple Select

Select which of the following are quantitative? (Select all that apply)

14 desks

blue sky

4 books

sad girl

Inference vs Prediction

Inference - assuming what is happening at the moment; using observations to assume what is occurring

Prediction - assuming what is going to happen in the future; using observations and inferences to assume what will happen

Multiple Choice

Which of the following is an inference?

12 chairs

The class is quiet so they must be working

when I work hard I will get better grades

Independent vs Dependent

Independent - "I change" ; part being tested

Dependent - "data" ; what gets measured

Multiple Choice

If I am testing to see if adding more water to a plant will increase it's height, what would be my independent variable?

plant height

amount of water

Multiple Choice

If I am testing which dog food is the tastiest, what would be my dependent variable?

amount of dog food eaten

type of dog food

Control Group vs Constants

Control Group - baseline group; what I am comparing my results back to; opposite of independent variable

Constants - things in an experiment that should stay the same; everything else besides independent and dependent

Multiple Choice

What would my control group be?

Independent: type of music

Dependent: test scores

no music

textbook

test scores

Multiple Select

What would my constants be? (select all that apply)

Independent: type of music

Dependent: test scores

type of music

gender of students

test scores

textbook

Metric System

English System of Measurement vs Metric System

English: Foot, gallons, pounds, Farenheit
Metric- based on Multiples of 10. (Most other nations)

International System of Units (SI)

Is an improved version of the Metric System
These are universally accepted and understood throughout science
Each type of SI measurement has a base unit

SI Base Units

SI Prefixes

The SI system is based on multiples of tens.

Remember: “King Henry Doesn’t (Usually) Drink Chocolate Milk”

Multiple Choice

The Metric system is based on units of__.

1's

5's

10's

15's

Multiple Choice

The base unit for length is the

second

gram

meter

liter

Multiple Choice

The appropriate abbreviation of centimeter is..

Multiple Choice

The basic metric unit for temperature is .......

gram (g)

meter (m)

liter (L)

Kelvin (K)

Multiple Choice

The basic metric unit for volume is the .....

gram (g)

meter (m)

liter (L)

Kelvin (K)

Multiple Choice

40 mL = ? cL

400

4000

0.4

Multiple Choice

Convert 8 kilometers to meters

800 m

80,000 m

8,000 m

.008 m

Multiple Choice

32 km = ? m

320

3,200

0.032

32,000

Multiple Choice

5 kg = ? g

500

5000

50,000

Multiple Choice

3 cm = ? mm

300

3000

0.3

Multiple Choice

Convert from meters to cm: 9 meters

900 cm

90 cm

0.9 cm

0.09 cm

Multiple Choice

1000 grams = _____ kilograms

0.0001

1,000,000

Multiple Choice

345 cm = _____ m

3.45 m

0.345 m

34.5 m

3,450 m

Multiple Choice

What scientific tool is best to measure the length of a classroom?

Meter Stick

Ruler

Graduated Cylinder

Triple Beam Balance

Multiple Choice

Which unit below is the largest?

Kilogram

Gram

Centigrams

Milligrams

Multiple Choice

Which unit below is the SMALLEST?

Kilometer

Millimeters

Meters

Centimeters

Multiple Choice

What unit is used for measuring MASS in the metric system?

Grams

Liters

Meters

Miles

Multiple Choice

3 cm = ? mm

300

3000

0.3

Multiple Choice

5000 m = ? km

Atomic Theory & States of Matter

Multiple Choice

What are the positively charged particles in an atom called?

Electrons

Neutrons

Protons

Multiple Choice

Which particle in the atom is neutrally (neither positive or negative) charged?

Proton

Electron

Neutron

Negatron

Multiple Choice

What two particles would you find in the nucleus of an atom?

Protons and electrons

Neutrons and electrons

Protons and neutrons

Electrons and negatrons

Multiple Choice

What state of matter has definite shape and definite volume?

Solid

Liquid

Gas

All of the above

Multiple Choice

The definition of a gas would be which of the following...

They have definite shape and volume.

They have definite shape but not a definite volume.

They do not have a definite shape or volume.

Gases do not have a definition.

Multiple Choice

What has to happen for one state of matter to change to another state of matter?

Heat is added or reduced.

Nothing, the states of matter cannot change.

Particles are taken away from the system.

Particles are added to the system.

Multiple Choice

Which number has the particles moving the fastest?

Multiple Choice

What is represented by the image shown?

Gas

Solid

Liquid

None of the ones listed

Multiple Choice

Which form of matter take the shape of a container like this juice?

liquid

solid

glass

gas

Scientific Method

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