Doing Scientific Investigations

Who among the following scientists is considered as the Father of Physics?

• Galileo Galilei

• Nicolaus Copernicus

• Sir Isaac Newton

• Tyco Brahe

It is the science that deals with matter and energy and the interactions between them.

• Biology

• Chemistry

• Economics

• Physics

All except one are the sub-branches of Science

• Botany

• Chemistry

• Economics

• Zoology

It is part of experiment without the variable being tested.

• Alternative Group

• Control Group

• Experimental Group

• Null Group

What do you call the simple statement that presents the possible solution to the problem?

• Hypothesis

• Law

• Prediction

• Theory

In the research problem "Effect of Aloe Vera to the Inhibition Zone of E. coli", the dependent variable is the

• growth of E. coli

• amount of Aloe Vera

• temperature

• humidity

An attempt to explain a pattern observed repeatedly in a natural world is called

• hypothesis

• law

• prediction

• theory

A laboratory tool that is used to grip test tubes while being heated.

• Test tube holder

• Test tube rack

• Ring stand

• Tongs

It is used for moving small amounts of liquid from one container to another.

• Burette

• Erlenmeyer flask

• Funnel

• Pippette

Which of the following is an improper way of handling laboratory tools?

• Use clamps, tongs, or any heat-resistant gloves to handle objects.

• Point a bottle or test tube away from you and others when it is being heated.

• Hold double-edged razors when not in use.

• Close all lids when chemicals are not in use.