Science
What does a scientist do?
1) They ask questions about the world and investigate them.
It is the fundamental unit of chemical elements. It consists of a nucleus containing positively charged protons and neutrons with no charge.
Atom
What does a thermometer do?
Measures the temperature.
First step of the scientific method
Observe
What is the name of the method that scientists use?
Scientific method
Is an ordered arrangement of the chemical elements into rows and columns.
Periodic table
What is a balancing scale used for?
To find the mass or weight of an object.
When we try to make a guess, we make a...
Hypothesis
Define chemistry
The science that studies the composition, structure, properties, and changes of matter.
A measure of how acidic or basic a substance or solution is.
pH or pH scale.
For what purposes do we use a magnifying glass?
To be able to see small objects, details, or animals.
When we are testing if our hypothesis or theory is correct, we are conducting an...
Experiment
What are the main branches of chemistry?
There are two parts into a chemical reaction, those are:
Reactants and products.
What type of samples can be analyzed on a microscope?
In the microscope, we can magnify only translucent samples, that is, those where light can pass through them.
When we have finished the experiment and analyzed the data, the last step is...
Conclusions
Why is chemistry important in daily life?
It contributes to the development of technologies such as batteries, fuels, and electronic devices.
It allows us to understand and solve environmental problems like pollution and climate change.
Covalent and ionic. These words refer to types of:
Chemical bonds
What is a graduated cylinder used for?
Is used for measuring volumes of liquids.
List the steps of the scientific method:
Observation
Question/Inquire
Hypothesis
Experiment
Analysis of results
Conclusion