Progress Test

Question 0

How do scientific investigations begin?

Answer 0

Curiosity or a problem

Question 1

What are the steps of the scientific method? 6

Answer 1

Purpose, research, hypothesis, experiment, analysis, and conclusion

Question 2

What do you have to do if your experiment proves your hypothesis wrong?

Answer 2

State a new hypothesis and do a new experiment

Question 3

Describe the step of purpose

Answer 3

State a problem

Question 4

Describe research

Answer 4

Find out about the topic

Question 5

Describe hypothesis

Answer 5

Predict the outcome to the problem

Question 6

Describe experiment

Answer 6

Develop a procedure to rest your hypothesis

Question 7

Describe analysis

Answer 7

Record results of the experiment

Question 8

Conclusion

Answer 8

Compare the hypothesis to the experiments conclusion

Question 9

What do you use to make observations?

Answer 9

The 5 senses

Question 10

What is an inference?

Answer 10

Making an educated guess based on what you currently see

Question 11

Describe the molecules of water in the solid phase?- ice

Answer 11

They are arranged in a random pattern

Question 12

In which state of matter are the molecules farthest apart from each other?

Answer 12

Gas

Question 13

In which phase are particles generally the closest?

Answer 13

Solid

Question 14

In which state are the molecules moving around the fastest?

Answer 14

Gas

Question 15

Which line is the independent variable on a graph?

Answer 15

The bottom line

Question 16

Which line is the dependent variable on a graph?

Answer 16

The line on the side of the graph

Question 17

As the independent variable increases the dependent variable…

Answer 17

Increases

Question 18

How is a neutron charged?

Answer 18

A neutron has a neutral charge

Question 19

What charge does a election have?

Answer 19

An electron has a negative charge

Question 20

What charge does a proton have?

Answer 20

A proton has a positive charge

Question 21

Where are neutrons found?

Answer 21

Found in the nucleus of an atom

Question 22

Where are electrons found?

Answer 22

Found in the space outside the nucleus of an atom

Question 23

Where are protons found?

Answer 23

Found in the nucleus of an atom

Question 24

How do you use an overflow container?

Answer 24

Subtract your new volume from the starting volume

Question 25

How do you calculate density?

Answer 25

Volume

Question 26

How do you calculate volume?

Answer 26

Density

Question 27

How do you calculate mass?

Answer 27

Density x volume

Question 28

How do you know if a physical change has taken place?

Answer 28

The substance still has the same properties

Question 29

What is an ex of a physical change?

Answer 29

A piece of paper being cut

Question 30

How do you know if a chemical change has taken place?

Answer 30

The substance has changed into something new

Question 31

What is an ex of a chemical change?

Answer 31

Burning a piece of paper

Question 32

Where is the atomic mass located?

Answer 32

The number under the symbol

Question 33

Where is the atomic number located?

Answer 33

The number above the symbol

Question 34

What is the atomic mass?

Answer 34

The number of protons and neutrons

Question 35

What is the atomic number?

Answer 35

The number of protons

Question 36

How can you tell whether it is a base or an acid based on pH value?

Answer 36

Anything more than seven is a base and anything less than seven is an acid. 7 is a neutral.

Question 37

What are some characteristics of an acid?

Answer 37

• H+
• sour taste
• reactivity with metals
• ability to produce color changes in indicators

Question 38

What are some characteristics of bases?

Answer 38

• OH-
• bitter taste
• slippery feel
• ability to produce color changes in indicators