Scientific Concepts and Principles

This video tutorial introduces 25 essential science terms for intermediate learners. It covers general science terms, branches of science, scientific processes, tools, units, and key concepts. Each term is explained with clear meanings and examples to help learners discuss scientific topics confidently. The video is ideal for students or anyone looking to enhance their English vocabulary in science.

What is the purpose of an experiment in science?

• To write a book

• To create new technology

• To discover or prove something

• To entertain people

Which branch of science focuses on the study of living organisms?

• Astronomy

• Chemistry

• Physics

• Biology

What does the process of analyzing involve?

• Guessing outcomes

• Ignoring data

• Drawing pictures

• Examining something carefully

Which tool is used to observe tiny objects?

• Microscope

• Scale

• Thermometer

• Ruler

What is the unit of volume in the metric system?

• Liter

• Meter

• Kilogram

• Gram

What is energy defined as in scientific terms?

• A type of food

• The ability to do work or cause change

• A type of weather

• A form of rest

What is matter?

• A kind of sound

• A type of energy

• Anything that takes up space and has mass

• A form of light

What force pulls objects toward Earth?

• Gravity

• Electricity

• Magnetism

• Friction

What is the smallest unit of a chemical element?

• Compound

• Molecule

• Atom

• Cell

What does evolution explain?

• How planets orbit the sun

• How electricity flows

• How species change over time

• How water evaporates