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Bell Ringer 1 – Take out a sheet of notebook paper and title it Bell Ringers. 2 – Put today’s date in left side margin of paper. 3 – Answer the following.

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Presentation on theme: "Bell Ringer 1 – Take out a sheet of notebook paper and title it Bell Ringers. 2 – Put today’s date in left side margin of paper. 3 – Answer the following."— Presentation transcript:

1 Bell Ringer 1 – Take out a sheet of notebook paper and title it Bell Ringers. 2 – Put today’s date in left side margin of paper. 3 – Answer the following question: The scientific definition of matter is “anything that has mass and takes up space.” How would you explain what matter is (in your own words) to a 10 year old?

2 Intro to Matter (Page 74) Essential Question: How do we know for certain that all things are made up of matter?

3 Matter - Anything that has mass and takes up space (the STUFF all things are made of – solids, liquids, and gases)

4 *How do we measure matter?

5 1. Mass *The amount of matter (stuff) in an object or substance – solid, liquid, gas

6 Lets make some measurements

7 2. Weight *The force of gravity pulling on an object
*measured in Newtons (N) or kilograms (kg) **Spring Scale is used to measure weight

8 *On Earth, mass and weight are equal measurements

9 *Weight can change, but mass stays the same!

10 Earth The Moon Mars Mass 150 lbs 150 lbs 150 lbs Weight 150 lbs 24 lbs 57 lbs 667 N 111 N 253 N

11 Intro to Matter – Part 2 Essential Question: How do we know for certain that all things are made up of matter?

12 3. Volume *How much space something takes up

13 How do we measure volume ?
*Length x width x height 2 cm x 5 cm x 8 cm = 80 cm 3

14 How do we measure volume?

15 How do we measure volume?
*Water Displacement Starting water level = 50 mL Ending water level = 59 mL Volume = 9 mL

16 Let’s make some measurements

17 Intro to Matter – Part 3 Essential Question: How do we know for certain that all things are made up of matter?

18 4. Density *How much mass is in a given amount of volume (Density = Mass ÷ Volume)

19 *How much stuff is packed inside the space the object/substance takes up

20 Density 3 0.4 g/cm g/cm 3

21 Density Mass = 2000g Volume = 5000 mL
3 3 Density = 2000g / 5000 cm = 0.4 g/cm Mass = 2000g Volume = 5000 mL

22 Density Mass = 7500g Volume = 5000 mL
3 3 Density = 7500g / 5000 cm = 1.5 g/cm Mass = 7500g Volume = 5000 mL

23 A granite rock has a mass of 275 g and a volume of 100 c³
A granite rock has a mass of 275 g and a volume of 100 c³. What is it’s density? D = M ÷ V 275 ÷ 100 D = 2.75 g/cm³

24 100 mL of Coca Cola has a mass of 104. 5 g
100 mL of Coca Cola has a mass of g. What is the density of the Coca Cola? D = M ÷ V 104 5÷ 100 D = g/cm³

25 What causes an object to float on water instead of sinking?

26 Water has a density of 1g/cm
3 Objects with a lower density than water will float, with greater density will sink

27 If coca cola was poured into a container of water, would the cola float on, or sink in the water?
D = g/cm³

28 0.9 g/cm³ 1 g/cm³ 1.4 g/cm³

29 WHY?

30 How is a hot air balloon able to fly?

31 Quick Write: How do we know for certain that all things are made up of matter?

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