Word Wednesdays!Time to TALK intelligently!

Do Now What is the safety concern

when you see the electrical symbol? What precautions should you take?

What are we shooting for? - SWBAT define, depict

and use science vocab words in a sentence: mass, weight, and density

- SWBAT Explain that density is the amount of matter (stuff) in a set container (volume)

Mass (m)

Draw a pictureDefinition

Use it in a sentence

Mass (it’s hard to define mass b/c it is so

basic) Mass: It is the amount of matter (stuff) something IS.

Symbol of Mass= m SI Unit=Kilograms (kg) **Smaller objects are measured in:

grams(g)

Weight IS NOT MASS! Weight: The force of gravity on an

object. Symbol of FORCE= F SI Unit=Newtons **This will never be said, or used, or

mentioned in ANY WAY in this class! …(weight) till Physics… :)

Mercury, Venus, Earth, Mars

Planet Relative strength of Gravity Weight (N)

Mercury 0.38 Mass * 0.38

Venus 0.90 Mass * 0.90

Earth 1.00 Mass * 1.00

Mars 0.38 Mass * 0.38

Jupiter 2.36 Mass * 2.36

Do NowWhat are the two ways you can change your weight? How is it possible to change your mass? How is it possible for gravity to change?

Take the Safety Quiz at Lunch Tomorrow Veronique Manuel Jose Brenda Riley Clea Richard Erica

Density: Why things float Density: Density is the amount of mass

inside a given volume. Symbol= ρ (Greek letter “rho”) Equation: ρ= mass/Volume SI Unit= g/cm3

Measurement Tools Highlight (or color) the

pictures of the instruments in your lab notebook and fill in the table on the back as we use them in lab don’t work ahead (SLANT)

Measurement Tools

2. Name: Meter Stick (sometimes we use a ruler)

Measures: Length of an object SI Unit: meter (m)**We measure small lengths with centimeters (cm)**

Practice! How long is the red box?

Practice! Measure the length of the ice cube

Measure the length; width; and heightDON’T FORGET UNITS! (cm)

Gift Box Lab Do the best gifts come in small

packages?? What makes something have a high

density? Can a small box be more dense than a

large box? Poll: Do you think the heaviest box will

be the most DENSE? Yes or No

Procedure In your notebook:

Make a table Calculate the volume (multiply

L*W*H=cm3) Calculate the density of your box (ρ=m/V) List the densities for every box

Answer these questions What is the density of your box?

(g/cm3) What box was the most dense Was this surprising to you?

Why/Why not?

See you FRIDAY

Do Now What is the DEFINITION of density? What is the EQUATION for density? What are the UNITS for density?

Your Safety Quiz Grade = 0 Manuel Jose Alcala Brenda Riley Clea Richard Erica

Vocab Quiz

Gift Box Lab--Conclusion What is the density of your box?

(g/cm3) What box was the most dense Was this surprising to you?

Why/Why not?

Grade Pre-Test

What’s In a Number? ITBS Class Goal-> EVERYONE will learn;

What will YOU do? Do you WANT IT? How can I see you doing it?

(raising hand, asking questions to teammates or teacher, HW grade, being on-time,

What’s In a Number?

Bring college gear!

Take out “Writing a Scientific Question…”