Which correctly describes atoms?

All atoms of the same kind have the same mass.

What is the purpose of the periodic table?

Organize the elements as groups based on similar properties

Which question can be answered through a scientific investigation?

Which material makes a better insulator, plastic or glass?

Which group is a collection of elements?

calcium, hydrogen, iron, oxygen

What's the difference between the Independent and Dependent Variables?

I=What you change. D=What you measure

What is the difference between an observation and an inference?

O=Something you see. I=Conclusion you draw

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Atoms and Scientific Method

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Answers

1
What is the smallest part of an element that has the same properties of that element?
Nucleus
Atom
Electron
Molecule
2
Which correctly describes atoms?
All atoms of the same kind make up the same molecules.
All atoms are the same size.
All atoms are the same shape.
All atoms of the same kind have the same mass.
3
What does the number at the bottom of the periodic square mean?
Atomic Number
Atomic Mass
Atomic Element
Element Symbol
4
What does the letter(s) mean a periodic square?
Element Symbol
Atomic Number
Atomic Mass
Atomic Element
5
What is the purpose of the periodic table?
List the elements
Organize the elements as groups based on similar properties
Assign symbols to the elements
Number the elements
6
Which question can be answered through a scientific investigation?
Which material makes a better insulator, plastic or glass?
Which paint looks better on the wall, blue or brown?
Which ice cream tastes better, vanilla or chocolate?
Which type of music sounds better, classic rock or country?
7
What does the number at the top of a periodic square mean?
Element Symbol
Atomic Number
Atomic Mass
Atomic Element
8
Which group is a collection of elements?
carbon, hydrogen, light, oxygen
calcium, hydrogen, iron, oxygen
air, carbon, fire, water
air, earth, fire, water
9
What feature of an atom determines the identity of that element?
The number of protons
The number of electrons
The number of neutrons
The number of protons and neutrons
10
Which is the smallest part of an element that has the same properties of that element?
Molecule
Matter
Atom
Compound
11
When working on scientific research, which of these steps should come first?
Analyze the data
State the hypothesis
Present the conclusion
Collect the data
12
What's the difference between the Independent and Dependent Variables?
I=What you measure. D=What you change
I=The results. D=Who is involved
I=What stays the same. D=What you change
I=What you change. D=What you measure
13
What is the first step in the scientific method?
Hypothesis
Problem/Question
Experiment
Research
14
In order for something to be "matter" it must have what 2 things?
mass and space
protons and volume
volume and mass
atoms and time
15
What is the difference between an observation and an inference?
O=What you see. I=What you touch.
They're the same
I uses 5 senses and O does not.
O=Something you see. I=Conclusion you draw

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