Matter and its Composition (7-T)

What is matter?

• It has mass and volume

• It has mass and weight

• It has mass and area

• It has volume and area

Matter is composed of very small particles called____

• particle

• molecule

• atom

• substance

How many elements are known so far?

• 120

• 115

• 123

• 118

What is element?

• It is a substance made up of two types of atom

• It is a substance made up of different type of atom

• It is a substance made up of one type of atom

• It is a substance made up of three type of atom

Water is made up of ____

• Hydrogen and nitrogen

• Oxygen and Helium

• Hydrogen and Neon

• Oxygen and hydrogen

A pure substance that cannot be broken down into other substances by chemical or physical means. 

• compound          
• atom
• mixture 
• element

This diagram represents a _____.

• pure substance that is a compound
• mixture of elements
• pure substance that is an element
• mixture of compounds

Tags

NGSS.MS-PS1-1

This diagram represents a _____.

• pure substance that is a compound
• mixture of elements
• pure substance that is an element
• mixture of compounds

Tags

NGSS.MS-PS1-1

Can a mixture be separated? 

• No
• Yes
• Only sometimes

The basic unit of matter is

• a mixture
• a substance
• an atom
• a compound

Tags

NGSS.MS-PS1-1