Question 1

It is a plan for asking questions and testing possible answers

Accepted Answer

scientific investigation

Question 2

It is a systematic and logical approach to solve problems or understand different phenomena

Accepted Answer

science

Question 3

These are observable qualities and descriptions.

Accepted Answer

characteristics

Question 4

These are variables that remain the same all throughout the experiment

Accepted Answer

controlled variable

Question 5

We use ________ to organize the data that we gathered through the experimentation

Accepted Answer

tables graphs and charts

Question 6

It refers to the numbers obtained using various measuring devices such as thermometers, etc

Accepted Answer

quantitative data

Question 7

These are substances that are made up of only one kind of particles and has a fixed or constant structure

Accepted Answer

pure substances

Question 8

It is a combination of two or more substances by physical means in varying proportions.

Accepted Answer

mixture

Question 9

The number of protons is equal to the number of ____________ in stable elements.

Accepted Answer

electrons

Question 10

Atomic mass is equal to the number of protons and electrons in an atom of an element.

Accepted Answer

FALSE

Answer

TRUE

Question 11

There are 118 elements in the modern periodic table of element.

Accepted Answer

TRUE

Answer

FALSE

Question 12

There are 93 naturally occuring and 28 synthetic elements.

Accepted Answer

TRUE

Answer

FALSE

Question 13

Ernst Rutherford is the father of the periodic table of elements.

Accepted Answer

FALSE

Answer

TRUE

Question 14

Elements are named after scientists, heavenly bodies, Latin, Greek, and Arabian origin

Accepted Answer

TRUE

Answer

FALSE

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