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yazied science part #1 tools

Total questions: 85

Worksheet time: 43mins

Name
Class
Date
1.

Asking questions and searching for answers !!

a)

investigation

b)

inquiry

c)

tools

d)

observation

2.

scientist may study what other scientists have already learned about something .

a)

true

b)

false

3.

............helps scientists share what they learn with others .

a)

observation

b)

recording

c)

asking

d)

searching

4.

to learn about something , scientists begin with ..................

a)

collecting data

b)

recording their observation

c)

asking questions

d)

observing

5.

A careful way of looking for something !!

a)

asking questions

b)

conclusion

c)

observation

d)

investigation

6.

observations are made with the senses or with tools .

a)

true

b)

false

7.

observations lead you to ask questions .

a)

true

b)

false

8.

studying reference material ,like books and articles.

a)

observing

b)

concluding

c)

doing research

d)

investigating

9.

Scientists should write down the name of their reference material and the person who wrote it , because .....................

a)

they may need to compare results later .

b)

It is important for others to be able to find the reference material scientists used .

c)

reference material is the only way scientists use to answer questions .

10.

Tests which scientists design and do to confirm a possible answer to a question .

a)

observations

b)

data

c)

experiments

d)

results

11.

Experiments do not give the required answer all the time .

a)

true

b)

false

12.

Some reference materials can be better than others because ...................................

a)

Some reference materials may include more recent information .

b)

reference materials are written by different scientists

c)

scientists should depend on one source of information

13.

Scientists may repeat experiments more than one time to check results .

a)

true

b)

false

14.

Experiments probably provide different results from previous ones , so ..................

a)

scientists have to do experiment only one time .

b)

scientists should not share results with other scientists .

c)

scientists repeat experiments to compare results .

15.

An object or device used to perform a task.

a)

conclusion

b)

tool

c)

data

d)

result

16.

Measuring mass or how heavy something is !

a)
b)
c)
d)
17.

measures length or distance !

a)
b)
c)
d)
18.

measures volume !!

a)
b)
c)
d)
19.

A scientist uses tools in observations only .

a)

true

b)

false

20.

A computer is a helpful tool to a scientist , because ........................

a)

computers help find information collected by others .

b)

help organize and analyze data .

c)

computer is a good way to show and present results

d)

all of these

21.

make things look larger

a)
b)
c)
d)
22.

hand lenses make things look smaller .

a)

true

b)

false

23.
a)

telescope

b)

microscope

c)

graduated cylinder

d)

balance

24.
a)

microscope

b)

lense

c)

thermometer

d)

telescope

25.

help study the space !

a)
b)
c)
d)
26.

help analyze data !

a)
b)
c)
d)
27.

Has several lenses to make things much bigger .

a)
b)
c)
d)
28.

scientists make observations many times because ......................

a)

they have more than one possible answer,

b)

they need to have accurate data .

c)

they work in groups

d)

they have different questions to answer

29.

Facts you collect as you observe .

a)

results

b)

experiments

c)

investigations

d)

data

30.

scientists may use different tools to observe , however they must reach similar results .

a)

true

b)

false

31.

measures temperature!

a)
b)
c)
d)
32.

it is important for scientists to compare results with others .

a)

true

b)

false

33.

You have to be careful when you do science activities .

a)

true

b)

false

34.

You should never taste or smell any substance unless directed by your teacher .

a)

true

b)

false

35.

safety goggles

a)
b)
c)
d)
36.

gloves help protect you eyes .

a)

true

b)

false

37.

Gloves !!

a)
b)
c)
d)
38.

protect your hands !!

a)

safety goggles

b)

lenses

c)

clynder

d)

gloves

39.

Tools help scientists do ..................

a)

observations

b)

measurements

c)

analyzing data

d)

all of these

40.

Organized ways to answer questions and solve problems .

a)

observations

b)

data

c)

scientific method

d)

tools

41.

Scientists always use the same methods .

a)

true

b)

false

42.

Scientists must follow methods in rigid order .

a)

true

b)

false

43.

When scientists ask people a number of questions and analyze the answers , this is a ...............................

a)

observation

b)

recording

c)

survey

d)

inquiry

44.

Taking samples of plants , animals , or people to test or observe something on them , this is ........................

a)

survey

b)

inquiry

c)

investigation

d)

sampling

45.

survey is one type of scientific method .

a)

true

b)

false

46.

Scientific method follows a rigid order

a)

true

b)

false

47.

A possible answer to a question !

a)

conclsion

b)

hypothesis

c)

data

d)

inquiry

48.

How high will the ball bounce on different surfaces . This step is ...............

a)

state a hypothesis

b)

ask a question

c)

test your hypothesis

d)

state your conclusion

49.

When repeating experiments , you must be sure you do every thing exactly the same each time .

a)

true

b)

false

50.

charts and diagrams help you organize you data .

a)

true

b)

false

51.

If I drop the ball ,then it will bounce highest on rubber mat because rubber mat is more flexible ! this step is ......................

a)

asking question

b)

test your hypothesis

c)

state your hypothesis

d)

state you conclusion

52.

when you change the material of the surface where the same ball would bounce on.this step is ....................

a)

state your hypothesis

b)

Identify and control the variable

c)

state conclusion

d)

ask question

53.

Trying bouncing the ball on different surfaces after you plan and collect materials and tools .this step is .....................

a)

test your hyopthesis

b)

state your hypothesis

c)

state your conclusion

d)

collect and record data

54.

to organize your notes and records using charts and diagrams . this step is .........................

a)

ask questions

b)

state hypothesis

c)

interpret data

d)

observation

55.

the ball bounced highest when dropped on wood surface . this is a ...........................

a)

conclusion

b)

hypothesis

c)

data

d)

question

56.

the decision you make based on you data !

a)

hypothesis

b)

conclusion

c)

observation

d)

question

57.

conclusion !!

a)

a predicted answer of a question

b)

the answer of you question

c)

the data you collect

58.

Scientists use .............................to decide if their hypothesis is correct .

a)

evidence

b)

data

c)

question

59.

Facts and observations gained from experiments .

a)

tests

b)

questions

c)

evidence

d)

trail

60.

When scientists tell what they think an object's size , mass or temperature , these are .............................

a)

evidence

b)

estimates

c)

measurements

d)

inquiry

61.

Objects or ideas that represent other things that can not be tested actually!!

a)

hypothesis

b)

data

c)

experiments

d)

models

62.

Describes things that have length , width and height.

a)

three-dimensional

b)

two- dimensional

c)

shape

63.

Describes things that have width and length but NOT height .

a)

two dimensional

b)

three dimensional

64.

A glob is an example of .................

a)

two dimensional

b)

three- dimensional

65.

two -dimensional !

a)

map

b)

glob

c)

statue

d)

model of a plane with moving parts

66.

A set of step- by- step instructions of how to perform a test .

a)

method

b)

procedure

c)

hypothesis

d)

explanation

67.

keeping detailed and accurate records of observations help scientists share their information with others .

a)

true

b)

false

68.

tables , charts and diagrams organize data in a way that is easy to understand .

a)

true

b)

false

69.

Uses bars with different colors for each variable .

a)

chart

b)

bar graph

c)

line graph

d)

able

70.

show pattern of data over time with straight lines .

a)

bar graph

b)

chart

c)

line graph

71.

scientists base their explanations on evidence .

a)

true

b)

false

72.

observations , research , facts , are all evidence .

a)

true

b)

false

73.

A conclusion drawn from data and observations .

a)

hypothesis

b)

evidence

c)

inference

d)

question

74.

.....................is used to develop reasonable answers to questions .

a)

hypothesis

b)

observation

c)

evidence

75.

Scientists develop hypothesis based on collected data .

a)

true

b)

false

76.

inquiry is a process of ......................

a)

doing work

b)

asking questions

c)

analyzing data

77.

graduated cylinder measures ...................

a)

mass

b)

wieght

c)

volume

d)

hieght

78.

In an experiment , the thing you are trying to measure or observe is the ................................

a)

controlled variable

b)

dependent variable

c)

independent variable

79.

In an experiment the thing you change is the .......................

a)

dependent variable

b)

controlled variable

c)

independent variable

80.

Are things you keep the same in an experiment !

a)

dependent variables

b)

independent variables

c)

controlled variables

81.

scientific knowledge is based on ...................

a)

opinion

b)

evidence

c)

predictions

82.

in a fair test how many variables will change ?

a)

1

b)

2

c)

3

d)

none

83.

An inference is ...................

a)

A question to be answered

b)

A conclusion based on observations

c)

A measurement that is not exact

84.

The surface in the bouncing ball experiment is a ..................

a)

dependent variable

b)

independent variable

c)

controlled variable

85.

In the bouncing ball experiment , the dependent variable is ..............................

a)

the surface

b)

the wind direction , weather , ..........

c)

how high the ball bounces

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