12 Questions
What do scientists call the substance that makes up everything in the universe?
Matter
Which of the following is NOT classified as one of the five basic elements by early Indian philosophers?
Metal
According to ancient Greek philosophers, what was everything, living or nonliving, made up of?
Air and Earth
What did one school of thought believe about the nature of matter?
Matter is continuous like a block of wood
Based on its physical properties, how have modern day scientists classified matter?
$Based on its physical properties$
What will be taken up in subsequent chapters according to the text?
$Chemical aspects of matter$
What is the purpose of the activity described in the text involving a 100 mL beaker, water, and salt/sugar?
To observe if the level of water changes when a solid dissolves in it
What conclusion can be drawn from the activity involving diluting potassium permanganate crystals in water multiple times?
The particles of potassium permanganate are continuously moving
What is the primary purpose of placing an unlit incense stick in a corner of the class in one of the activities?
To determine how close one needs to be to smell the incense
What can be inferred from the observations after adding blue or red ink and honey drop by drop into two separate glasses of water?
The ink color spreads more rapidly than honey in water
What is suggested about matter from the activity involving copper sulphate or potassium permanganate crystals in hot and cold water?
Particles in hot water move faster than in cold water
What concept is illustrated by dropping a crystal of copper sulphate or potassium permanganate into glasses of hot and cold water and observing over time?
Effect of temperature on crystal dissolution rate
Explore the basic concept of matter and its properties such as mass and volume. Learn how matter makes up everything in the universe, from the air we breathe to the food we eat.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
