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Unit Quiz🧪

Total questions: 38

Worksheet time: 19mins

Name
Class
Date
1.

A pattern, plan, representation, or description that shows the structure or workings of something is a ......

a)
blueprint
b)
diagram
c)
model
d)
framework
2.

A model made up of mathematical equations and data

a)
mathematical model
b)
computational algorithm
c)
data analysis framework
d)
statistical model
3.

Model made up of systems of ideas or based on comparisons with familiar things.

a)

conceptual model

b)
Parable
c)
Simile
d)
Metaphor
4.

Model that you can TOUCH and that LOOKS and ACTS like a real thing.

a)
Static model
b)
Virtual model
c)

Physical Model

d)
Conceptual model
5.

A computer model that predicts population growth.

a)
Population analysis tool
b)
Demographic study model
c)
Census data simulator
d)

Mathematical Model

6.

The Big Bang theory

a)

conceptual model

b)

law

c)

mathematical model

d)

physical model

7.

An explanation that ties together many hypotheses and observations is a......

a)

theory

b)
theoretical model
c)
hypothesis
d)
scientific fact
8.

model airplanes, cars, and dolls

a)

physical model

b)
hobby kits
c)
figurines
d)
vehicles
9.

Which of the following is one way that scientists use models?

a)
To create artistic representations of data.
b)
To store historical data without analysis.
c)
To replace experimental research entirely.
d)

to help explain their theories

10.

To learn from a model, a scientist must....

a)
ignore the model's data
b)
focus solely on the model's structure
c)
assume the model is always correct
d)

choose the right model

11.

What type of model is useful to understand objects that are too small or too large to see completely..........

a)
Biological models for living organisms
b)
Chemical models for molecular interactions
c)

Physical model

d)

Mathematical model

12.

Long ago, standardized units are based on .....

a)

the parts of the body

b)
historical events
c)
mathematical calculations
d)
cultural traditions
13.

Why was the International System of Units (SI) developed?

a)
To limit the use of measurements in science.
b)

To have a global measurement system

c)
To create a complex system of measurements.
d)
To replace all existing measurement systems.
14.

The basic SI unit of length is the.....

a)
kilometer
b)
meter
c)
centimeter
d)
millimeter
15.

A measurement scientists use to describe the length of microscopic objects.

a)

micrometer

or

nanometer

b)
centimeter
c)
kilometer
d)

meter

16.

Unit of measurement that equals one-hundredth of a meter

a)
millimeter
b)
centimeter
c)
kilometer
d)
decimeter
17.

Measurement equal to 1,000 m

a)

kilometer

b)

meter

c)
1,000 feet
d)

mile

18.

The measure of the size of a body or region in three-dimensional space is ....

a)
area
b)
circumference
c)
volume
d)
density
19.

The volume of a liquid is often given in ....

a)

liters

b)
ounces or teaspoons
c)
cubic meters or quarts
d)
gallons or pints
20.

A measure of the amount of matter in an object is its.

a)
weight
b)
volume
c)
density
d)
mass
21.

Describes the mass of an object the size of an apple.

a)

milliliters

b)

meters

c)

liters

d)

grams

22.

The basic unit for mass

a)
ounce
b)
kilogram
c)
pound
d)
gram
23.

The measurement of mass equal to 1,000 kg.

a)
pound
b)
kilogram
c)

metric ton

d)
gram
24.

........ is a measure of how hot or cold something is.

a)
Temperature
b)
Altitude
c)
Pressure
d)
Humidity
25.

The unit that scientists usually use to describe temperature

a)
Fahrenheit (°F)
b)
Rankine (°R)
c)
Newton (°N)
d)

degrees celsius

26.

The SI unit for temperature

a)
Celsius
b)
Fahrenheit
c)
Rankine
d)
Kelvin
27.

The unit that describes normal body temperature as 98.6 Fahrenheit.......

a)
100 degrees Fahrenheit
b)
37 degrees Celsius
c)

Celsius

d)

degrees Fahrenheit

28.

A measure of how much surface an object has is.......

a)
Volume
b)
Mass
c)

area

d)
Density
29.

The ratio of the mass of a substance to the volume of the substance is the substance's ......

a)
weight
b)
volume
c)
density
d)
mass
30.

What symbol does this stand for

a)

Eye protection

b)

Plant safety

c)

Chemical safety

31.

What does this symbol stand for

a)

Animal safety

b)

Eye protection

c)

Electric safety

32.

What does this symbol represent

a)

Eye protection

b)

Animal safety

c)

Plant safety

33.

What does this symbol represent

a)

Clothing protection

b)

Chemical protection

c)

Plant safety

34.

What does the symbol mean

a)

Heating safety

b)

Chemical safety

c)

Animal safety

35.

What does this symbol mean

a)

Sharp object

b)

Fire safety

c)

Electric safety

36.

What does this symbol mean?

a)

Electric safety

b)

Plant safety

c)

Heating safety

37.

What does this symbol represent

a)

Electric safety

b)

Chemical safety

c)

Sharp object

38.

What does this symbol represent

a)

Hand safety

b)

Plant safety

c)

Electric safety

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