Scientific Method and Scientific Notation

Question 1

What is the changed variable?

Accepted Answer

manipulated variable

Question 2

Express in scientific notation. 200,000,000

Accepted Answer

2.0 x 108

Question 3

Scientific experiments are usually very organized.

Accepted Answer

true

Question 4

Nature changes acid rain amount I measure # of organisms in pond water. Responding variable?

Accepted Answer

number of organisms in pond water

Question 5

Observations are the ways in which scientists answer questions and solve problems.

Accepted Answer

False

Question 6

A manipulated variable is also called a(n) _____________ variable

Accepted Answer

independent

Question 7

Observations are the ways in which scientists answer questions and solve problems.

Accepted Answer

False

Question 8

6 x 103

Accepted Answer

6,000

Question 9

Express in scientific notation. 0.0000000026

Accepted Answer

2.6 x 10-9

Question 10

Express in scientific notation. 0.000000000000206

Accepted Answer

2.06 x 10-13

Question 11

4.32 x 103

Accepted Answer

4,320

Question 12

4.32 x 103

Accepted Answer

4,320

Question 13

All the things in an experiment that must be the same to make it fair are called

Accepted Answer

controlled variables or constants

Question 14

0.04325 in scientific notation

Accepted Answer

4.325x 10-2

Question 15

I change the height a ball drops to measure how high the ball bounces. Responding variable?

Accepted Answer

height that the ball bounces

Question 16

I change the mass of a toy car and measure it's speed. What is the controlled variable?

Accepted Answer

ramp steepness

Question 17

I change mass of a toy car and measure it's speed. What is the controlled variable?

Accepted Answer

all of the above

Question 18

Nature changes Earths atmospheric temperature I measure the polar ice caps.

Accepted Answer

polar ice cap size is responding, Increasing temperature is manipulated

Question 19

There must be at least 2 variables in a scientific experiment

Accepted Answer

false

Question 20

I change the temperature of alligator's egg I measure if male or female. Responding variable?

Accepted Answer

the gender of the baby alligators

Question 21

A scientist analyzes results before conducting the experiment.

Accepted Answer

false

Question 22

In our salt and suds height experiment, what was the responding variable?

Accepted Answer

suds height

Question 23

Tables and graphs help us come up with a hypothesis.

Accepted Answer

false

Question 24

In our Hot Hands experiment, what was the manipulated variable?

Accepted Answer

person holding probe

Question 25

I change the sugar amount in a candy bar increases then measure the taste to see if sweeter.

Accepted Answer

sugar amount is manipulated, candy bar sweetness is responding

Question 26

A hypothesis

Accepted Answer

is a possible answer to a question

Question 27

1.05 x 104 in standard notation

Accepted Answer

10,500

Question 28

If evidence from a scientific investigation cannot answer the research question, it is useless.

Accepted Answer

false

Question 29

Express in scientific notation. 651,400

Accepted Answer

6.415 x 104

Question 30

In our Hot Hands experiment, what was the responding variable?

Accepted Answer

temperature

Question 31

The responding variable is the variable that is measured.

Accepted Answer

True

Question 32

In our salt and suds height experiment, what was a controlled variable?

Accepted Answer

all of these

Question 33

7 x 107

Accepted Answer

70,000,000

Question 34

A variable

Accepted Answer

is a factor that can changes in an expriment

Question 35

0.0024 in scientific notation

Accepted Answer

2.4 x 10-3

Question 36

I change the amount of salt I measure number of plants in the water. Manipulated variable?

Accepted Answer

the amount of salt in the water

Question 37

I change the mass of a toy car and I measure speed down a ramp. Manipulated variable?

Accepted Answer

mass

Question 38

The process of obtaining information by using the senses is called a(n)

Accepted Answer

observation

Question 39

5 x 100

Accepted Answer

5

Question 40

3,456 in scientific notation

Accepted Answer

3.456 x 103

Question 41

7,001 in scientific notation

Accepted Answer

7.001 x 103

Question 42

What are observations using tools.

Accepted Answer

measurements

Question 43

In our salt and suds height experiment, what was the manipulated variable?

Accepted Answer

amount of salt

Question 44

9.87 x 101

Accepted Answer

98.7

Question 45

I change the mass of a toy car to measure it's speed down a ramp. Responding variable?

Accepted Answer

speed

Question 46

Asking questions focuses an investigation.

Accepted Answer

true

Question 47

4.5 x 10-2 in standard notation

Accepted Answer

0.045

Question 48

Controlled variable must change in an experiment.

Accepted Answer

false

Question 49

Usually, the first step in solving a scientific problem is to...

Accepted Answer

identify the problem/ask a question

Question 50

A hypothesis is possible answers to a question

Accepted Answer

true

Question 51

Scientific procedure done to make a discovery, test a hypothesis, or demonstrate a known fact.

Accepted Answer

experiment

Question 52

When you decide whether or not the data supports the original hypothesis, you are

Accepted Answer

drawing conclusions

Question 53

Express in scientific notation. 0.0000000026

Accepted Answer

2.6 x 10-9

Question 54

0.7001 in scientific notation

Accepted Answer

7.001 x 10-1

Question 55

What is the measured variable?

Accepted Answer

responding

Question 56

In which step of the scientific method do we want to use graphs

Accepted Answer

analyze data

Question 57

The manipulated variable is the changed variable.

Accepted Answer

true

Question 58

2,349 in scientific notation.

Accepted Answer

2.349 x 103

Question 59

Express in scientific notation. 200,000,000

Accepted Answer

2.0 x 108

Scientific Method and Scientific Notation

Questions 59

Scientific Method and Scientific Notation

Questions 59