UNIT 01 SCIENTIFIC ACTIVITY (CHEMISTRY)

What is an ordered body of objective knowledge which can be verified experimentally?

• observation

• science

• scientific method

• a hypothesis

• experimentation

What is the method of working based on observation and experimentation, which scientists use to investigate the phenomena produced in nature?

• observation

• science

• scientific method

• a hypothesis

• experimentation

What is it to carefully apply the senses to an object or phenomenon in order to study it?

• observe

• make an hypothesis

• use a scientific method

• to experiment

• to search information

A sugar cube is put into a beaker with water. What happens to the sugar?

• it dissolves

• it disapears

• it melts

• it boils

A sugar cube is put into a beaker with water. What is the water?

• disolvent

• solute

• gas

• solid

A sugar cube is put into a beaker with water. What is the sugar?

• disolvent

• solute

• gas

• solid

What is it called when you look for data can be found in books or publications on the subject, or on trustworthy web pages, such as those of universities or research centres?

• observe

• make an hypothesis

• use a scientific method

• to experiment

• to search information

What is a supposition which attempts to explain an observed phenomenon?

• an observation

• a hypothesis

• a scientific method

• information

• an analysis

Experimentation is to check if a hypothesis is true or false.

• true

• falso

Science is to check if a hypothesis is true or false.

• true

• false