1. DO NOW $$
Create a proper scale to this graph & graph it
4.1

2. Tools of the Biologist & Measurement
4.1

3. Scientific Tools
4.1

4. Identify the tool with the picture!B I A
Meter Stick Graduated Cylinder Triple-beam Balance Thermometer Compound Microscope Erlenmeyer Flask Beaker Test Tube Tongs Petri Dish Dropper K D E J C
4.1 H F G

5. Complete the worksheet on scientific tools
4.1

6. 4.1

7. Do Now 44 deci- centi- milli-
Think of words you know( decade, millennium, century) and predict the prefixes below:
deci-
centi-
milli-
What tools do biologists use to measure length, volume and temperature?
4.2

8. Scientific Measurement
4.2

9. Metric Measurements Metric Measurements
Which unit is more commonly used throughout the world… a “yard” or a “meter”?
This is the case everywhere in the world except the USA, Myanmar and Liberia
A meter is part of a measuring system known as:
Why metric measurements and not yards, inches and pounds?
Compare the meter stick with the yard stick…
Answer –
Metric Measurements
- Metric units are broken down by “10” not by “12”
- Count up and down by 10 … easier than 12

10. Length Basic (Base) unit for measuring length = Meter
What 2 items could we use to measure a meter with?
Football field
Distance from New York to Los Angeles
Length of paper
Width of a dime
Length of a fingernail
Length of teacher’s desk
Meter

11. Lets breakdown a METER “Deci” means – One tenth (1/10)
Therefore, how many decimeters are in 1 meter?
1 decimeter = or 1/10 of a meter
One tenth (1/10)
TEN (10)
Football field
Distance from NY to LA
Length of paper
Length of finger
Width of dime
Length of fingernail
Length of teacher’s desk
Use meter stick to show

12. Lets breakdown a METER “Centi” means – One hundredth (1/100)
Therefore, how many centimeters are in 1 meter?
1 centimeter = or 1/100 of a meter
One hundredth (1/100)
100
Football field
Distance from NY to LA
Length of paper
Length of finger
Width of dime
Length of fingernail
Length of teacher’s desk
Use meter stick to show

13. Lets breakdown a METER “Milli” means –
One thousandth (1/1000)
“Milli” means –
Therefore, how many millimeters are in 1 meter?
1 millimeter = or 1/ of a meter
ALWAYS the smallest lines you see on a
meter stick!
1000
Football field
Distance from NY to LA
Length of paper
Length of finger
Width of dime
Length of fingernail
Length of teacher’s desk

16. Lets use many METERs “Kilo” means –
Therefore, how many meters are in 1 kilometer?
1 kilometer = 1,000 meters
One thousand (1000)
1000
Football field
Distance from NY to LA
Length of paper
Length of finger
Width of dime
Length of fingernail
Length of teacher’s desk

17. Let’s practice measuring LENGTH

18. How long are these items?

19. How long is the Pencil?
cm = mm =

20. How long is the Leaf?
Do Now
cm = mm =
Begin e

21. Do Now Page 6… Blank Space
Draw a metric ruler and visually show a decimeter, centimeter and millimeter (Give it a try if you’re unsure)
Show me you know how big each unit of measurement is

22. Do Now
Page 7
Practice measuring length!
Begin

23. Conversions! How many ________ in 1 meter? A) cm B) dm C) mm
4.3

24. How do we convert or go from one unit to the other?
If you start at the BASE floor, and want to get to the “deci” floor, you move down one step to the right… you move the DECIMAL one place to the right!
Meter
Start at the base and move to the “Kilo” floor, move 3 steps to left… decimal moves 3 spaces to left!
4.3
Meter
Deci-meter
Centi-meter
Milli-meter
1.0
6.0
200.0

25. Lets Practice Conversions!!
Kilo-meter
BASE
Unit
Deci-meter
Centi-meter
Milli-meter
10 m
15,000 mm
500 m
3.79 dm
550 km
3.33 cm
4.3

26. Extra Reference for Conversions
4.3
1.0 m = 10 decimeters
1.0 m = 100 centimeters
1.0 m = 1,000 millimeters
1.0 m = .001 kilometers
1,000 m = 1 kilometer
1,000 m = 1,000,000 millimeters
1,000 m = 100,000 centimeters
1,000 m = 10,000 decimeters

27. Do Now (page 6) Convert: 16 cm  __________m 7,438 mm  _________ m
16 dm  _______ cm
12.36 m  ________ mm

28. Volume Volume = amount of space a something takes up
Base unit for measuring Volume =
Tool used for measuring volume =
Liter (l)
Graduated Cylinder
Do Now? LP 4.4

29. How do you measure Volume?
The BOTTOM of the meniscus
Measure – The what??? Meniscus –
Curved surface of water in graduated cylinder 21
Bring a Graduated Cylinder to class & food dye 19

30. What about me?

32. Let’s practice measuring Volume

33. Mass Mass - is the amount of matter in something (similar to weight)
Mass is measured in
Tool =
The mass of the object will be the sum total of the three beams
GRAMS (g)
Triple-beam balance

34. Temperature Degrees Celsius (5°C) Thermometer Freezing Boiling Celsius
Temperature = movement of atoms (atom = smallest piece of a specific piece of matter) Base unit for measuring temperature = Tool used for measuring temperature =
Degrees Celsius (5°C)
Thermometer
Freezing
Boiling
Celsius
Fahrenheit
Fahrenheit = 32 & 212
Celsius = 0 & 100

35. Relative Temperatures

36. Summary: Measurement tools & units