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Name:___________________________________________Class:_______
MEASUREMENT UNIT
Third Grade Science
2015-20161
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Self and Teacher AssessmentMy goals for this unit are:
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Rubric:Self and Teacher Assessment
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3Usually
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1Rarely
You can contactMs. Bürgler:[email protected] Se
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Completion: I answered the questions for each lesson.Accuracy: My answers are correct and make sense.Depth: I explain my answers by giving examples, and showing that I thought about “why” and “how”.Neatness and Organization: My handwriting is easy for others to read, my diagrams are clear, and my answers are numbered.Date
Student Signature
Parent Signature
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Distance: How do we measure length and width?
Distance is how far it is between two things. It could be how long, wide, or tall something is.
Accurate is how correct something is.
1. Directions: Measure the length of the table (the long way) and the width of the table (the short way).
Table length(how long)
Table width(how wide)
hands hands
straws straws
cm cm
2. Compare the class’s answers. Which is the most accurate (correct) way to measure length and width? Explain your answer.
3. Give an example of when you needed to know the distance of something.
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Estimating: How do we estimate and measure length?
To estimate means to make a good guess
Object Estimated Length
ActualLength
Difference(Subtract)
Hand
Straw
Fingernail
Chair Height
Pencil Length
2. Why might estimating be a useful thing to do?
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* Give an example of when you have estimated the length or width of something.
** Estimating Word Problem:
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Measuring Practice
Object Estimated Length
ActualLength
Difference(Subtract)
Notebook
Thumb
Mini Gluestick
Large Gluestick
Shoe
2. Look at the differences between your estimates and your measurements. What do you notice? Does it get easier to estimate the more you do it? Explain.
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* Find more things to estimate and measure.
Object Estimated Length
Actual Length Difference (Subtract)
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Inches and Centimeters
Object Centimeters Inches
Length of my hand
Length of my pointer finger
Width of notebook
Metal container
Toy lizard
2. Which is longer, one cm or one inch? How do you know?
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* Word Problem on Non-Standard Units
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Mass
*Mass is how heavy something is. We weigh mass with grams.
Object Estimated Mass
Measured Mass
Difference(subtract)
2. When would you want to know the mass (weight) of something?
3. When might you need to estimate the mass of something?
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Mass of Water
1.Mass of Wet Sponge (g) -
MassDry Sponge (g) =
Mass of water absorbed
- =
2. How did you find the mass of the water in the sponge?
3. Were you surprised by the mass the sponge absorbed? Why or why not?
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4. Follow the same steps from above to find the mass of the water in the containers.ContainerNumber
Mass of full container
Mass of empty container
Mass of water
5. How did you find the mass of the water in each container? Explain your strategy. You can use words and drawings.
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*ContainerNumber
Mass of full container
Mass of empty container
Mass of water
* * Mass Word Problem
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***
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Food Kilometers
1kilometer = 1,000 meters
1. How far did your food travel?FoodLocation
Distance in kilometers (km)
2. What is one good thing about food traveling from far away?
3. What is one bad thing about food traveling from far away?
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Measuring Capacity
Capacity is how much fits in a container
We can measure the capacity of a container in milliliters (ml)
Object Estimated Capacity
Measured Capacity
Difference (Subtract)
Cup, mark A
Cup, mark B
Cup, mark C
Cup, mark D
2. When might you want to know how much fits in a container?
Volume
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Volume is the 3D space something takes up.
1. Pour a volume of 15ml in each container. Draw and label each below.
2. Why does the volume of the liquid look different, depending on the container?
3. Pour a volume of 15ml into the cup. Pour a volume of 30ml into the second cup. Weigh the mass of the 15ml cup.
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Mass of 15ml cup:______________________
Mass of 30ml cup:______________________
4. Which cup has a greater mass? Explain why.
5.
Capacity Versus Volume
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I recently opened a can of soda and noticed that it was not completely full. You may have noticed the same thing. I started wondering if the soda company was really giving me my money’s worth. The label on the can says 355 ml, but does that refer to the capacity of the can, or the volume of soda in the can?
How can we find out if 355ml is the can’s capacity (how much fits when the can is full) or how much soda they actually sell you (the volume of soda)?
1. My plan to find the answer will be____________________________
2. My answer is_____________________________________________
3. My strategy for finding the answer was________________________
4. Why wouldn’t the soda company fill the can all the way?
*When would you need to know the volume of a liquid (like water)? Give an example.
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**
*** Show how you got your answer to the crayfish problem.
Temperature
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Temperature is how hot or cold something is.
Cup Temperature by Touch (Warmest to Coolest)
Temperature Celsius
A
B
C
D
Mix
2. What is a more accurate way to measure temperature, feeling it with your fingers, or using a thermometer? Explain your answer.
3. When would you want to know exactly how cold or hot something is? Give two examples.
* Temperature Word Problem.
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Explain why you chose your answer.
Cooling Off22
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Minute Temperature0
1
2
3
4
5
6
7
8
9
10
2. What happens to the temperature when you add ice to the water?
3. What happens to the temperature of the water as the ice melts?
4. Why do the temperature start increasing (going up) again after a while?
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*Temperature Word Problem 2.24
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Measurement Review
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Mass: Grab a mass of “treasure” with one hand.
1. What was the mass you grabbed? ______________
2. What was the mass your partner grabbed?________
Distance: Toss an airplane, and measure the distance.
3. What was the furthest the plane traveled (in meters)?_______________
4. What was the least far the plane traveled?________
Syringe squirt: See how far you can squirt the syringe on a table. Measure with meter tape.
5. What was your furthest squirt in centimeters?_____
6. What was the least far you squirted in cm?_______
Volume: Measure volume through 5ml of spoons for 30 seconds.
7. What was the biggest volume of water?_________
8. What was the smallest volume of water?_________
Capacity: Measure how much water fits in the boat.
9. What’s the capacity of your boat?_______________
10. How many passengers can your boat hold?_______
Temperature:
11. What temperature is your hand?________________
12. What is the temperature of the air? _____________
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