What is chemistry n Chemistry is the science

n Chemistry is the science of matter, especially its chemical reactions, but also its

What is matter? n Matter is anything that has ____ and____

What is matter? n Matter is anything that has mass and volume n Mass:

n The pyramid, the pumpkin and helium are matter because they all have _______

n The pyramid, helium and the pumpkin are matter because they all have mass

Sort the following list into 2 groups Matter and Not Matter n n Wood

Check your answers n Matter n Not Matter n Water Wood Soccer ball Air

Matter is anything that has MASS and VOLUME

What are atoms? n Atoms are like the legos of the universe n The

The periodic table organizes all the elements (atoms)

The Earth is made of elements YOU are made of elements

How do we tell the elements (atoms) apart? By their properties

What are properties? Lego Properties n n n Color Size Thickness Element properties n

Telling Elements Apart Sliver and aluminum look alike…

But…have different properties SILVER n Density: n n n n solid 630 ◦C Conductivity:

Density measures how close the atoms are inside the matter

To calculate density you must know the Mass and Volume

Chemistry is the study of … Matter All matter has… Mass and Volume All

Work with your group members on the 5 key terms

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What is chemistry?

n Chemistry is the science of matter, especially its chemical reactions, but also its structure and properties.

What is matter?

What is matter? n Matter is anything that has ____ and____

What is matter? n Matter is anything that has mass and volume n Mass: how “stuff” something is made of n Volume: how much space something takes up

Is this matter?

Is helium matter?

n The pyramid, the pumpkin and helium are matter because they all have _______ and ______

n The pyramid, helium and the pumpkin are matter because they all have mass and volume

Is this matter? § love

Sort the following list into 2 groups Matter and Not Matter n n Wood Emotions Soccer ball Air n n Memories Desks Dreams n n Water Bacteria Ipods

Check your answers n Matter n Not Matter n Water Wood Soccer ball Air Ipods Desks Bacteria n Dreams Memories Emotions Ideas Hypothesis n n n n n

Chemistry is the study of Matter

Matter is anything that has MASS and VOLUME

What is matter made of?

All matter is made of atoms

What are atoms? n Atoms are like the legos of the universe n The different types of atoms are called elements

Of what is matter made? ATOMS

What different atoms exist?

The periodic table organizes all the elements (atoms)

The Earth is made of elements YOU are made of elements

How do we tell the elements (atoms) apart? By their properties

What are properties? Lego Properties n n n Color Size Thickness Element properties n n n Density Melting temperature Conductivity n n How easily heat and electricity pass through the material Natural state n (solid, liquid, gas)

Telling Elements Apart Sliver and aluminum look alike…

But…have different properties SILVER n Density: n n n n solid 630 ◦C Conductivity: n n 2. 7 g/cm 3 Melting temperature n excellent Natural state: Density: n 962◦C Conductivity: n n 10. 5 g/cm 3 Melting temperature: n ALUMINUM Medium Natural state: n Solid

Next week we will learn about Density

Density measures how close the atoms are inside the matter

To calculate density you must know the Mass and Volume

Chemistry is the study of … Matter All matter has… Mass and Volume All matter is made of … Atoms

Work with your group members on the 5 key terms