Science
Chemistry concepts
Scientific tools
Scientific method
100

What does a scientist do?

1) They ask questions about the world and investigate them.

  1. They conduct and gather research to expand knowledge in a particular area.

 

100

It is the fundamental unit of chemical elements. It consists of a nucleus containing positively charged protons and neutrons with no charge.

Atom

100

What does a thermometer do?

Measures the temperature.

100

First step of the scientific method

Observe

200

What is the name of the method that scientists use?

Scientific method

200

Is an ordered arrangement of the chemical elements into rows and columns.

Periodic table

200

What is a balancing scale used for?

To find the mass or weight of an object.

200

When we try to make a guess, we make a...

Hypothesis

300

Define chemistry

The science that studies the composition, structure, properties, and changes of matter.

300

A measure of how acidic or basic a substance or solution is.

pH or pH scale.

300

For what purposes do we use a magnifying glass?

To be able to see small objects, details, or animals.

300

When we are testing if our hypothesis or theory is correct, we are conducting an...

Experiment

400

What are the main branches of chemistry?

  • Organic chemistry
  • Inorganic chemistry
  • Analytical Chemistry
  • Biochemistry
400

There are two parts into a chemical reaction, those are:

Reactants and products.

400

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.

400

When we have finished the experiment and analyzed the data, the last step is...

Conclusions

500

Why is chemistry important in daily life?

  • It is present in producing food, medicines, and cleaning products.
  • It helps to create materials like plastics, metals, and textiles.
  • 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.

500

Covalent and ionic. These words refer to types of:

Chemical bonds

500

What is a graduated cylinder used for?

Is used for measuring volumes of liquids.

500

List the steps of the scientific method:

Observation

Question/Inquire

Hypothesis

Experiment

Analysis of results

Conclusion