100 g 200 g 300 g 400 g 500g mass force needed to lift the mass 2.1 n 3.6n 5.2 n 6.8 n 8.3 n what...
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100 g
200 g
300 g
400 g
500g
Mass Force needed to lift the mass
2.1 N
3.6N
5.2 N
6.8 N
8.3 N
What are the variables?
Which is the input variable?
Which is the outcome variable?
What is the relationship between the variables?
Predict the force needed to lift a 600g mass
1. Pulleys
1cm
2cm
4cm
8cm
16cm
1
2
3
4
5
containernumber
Diameter
130 cm
32 cm
8 cm
2 cm
?
Depth ofwater What is the input
variable?
What is the outcome variable?
What is the relationship between the variables?
Predict the depth of water for container 5
2. Height of liquid
Leaf 1 - top surface covered with vaseline
Leaf 2 - bottom surface covered with vaseline
Leaf 3 - top and bottom covered with vaseline
Leaf 4 - No surfacecovered with vaseline
nearly dry leaf
second freshest leaf
freshest leaf
driest leaf
Surface covered in vaseline
Freshness of leaf
3. Leaves
What is the input variable?
What is the outcome variable?
Is water lost mostly froma) the top surface?b) the bottom surface?c) both surfaces equally?d) neither surface?Give a reason for your answer
Activity 2: Variables
Two variables
Veena
Clark
Sharon
Susan
Robert
Lee
Name of student
148 cm
146 cm
151 cm
142 cm
149 cm
144 cm
43 kg
31 kg
38 kg
35 kg
34 kg
42 kg
Height of student
Weight of student
4. Height and weight
What is the input variable?
What is the outcome variable?
What is the relationship between the variables?Give a reason for your answer
What are the variables?
Which is the input variable?
Which is the outcome variable?
What is the relationship between the variables?
Predict the force needed to lift a 600g mass
1. Pulleys
What is the input variable?
What is the outcome variable?
What is the relationship between the variables?
Predict the depth of water for container 5
2. Height of liquid
3. Leaves
What is the input variable?
What is the outcome variable?
Is water lost mostly froma) the top surface?b) the bottom surface?c) both surfaces equally?d) neither surface?Give a reason for your answer
Activity 2: Variables
Two variables
4. Height and weight
What is the input variable?
What is the outcome variable?
What is the relationship between the variables?Give a reason for your answer
Graph A
InputVariable
Outcomevariable
Graph B
Outcomevariable
InputVariable
Outcomevariable
InputVariable
Graph C
InputVariable
Outcomevariable
Which of these graphs, if any, best represents any relationship found in each of the four sets of results obtained from activity two? Give reasons for your answer.
Graph D
100 g
200 g
300 g
400 g
500g
600g
?
Mass Force needed to lift the mass
2.1 N
3.6N
5.2 N
6.8 N
8.3 N
?
12.8
1. Pulleys
1cm
2cm
4cm
8cm
16cm
?
1
2
3
4
5
6
containernumber
Diameter of
container
130 cm
32 cm
8 cm
2 cm
?
511cm
Depth ofwater
2. Height of liquid
Activity 2: Variables
Two variables
Veena
Clark
Sharon
Susan
Robert
Lee
Noel
Name of student
148 cm
146 cm
151 cm
142 cm
149 cm
144 cm
139 cm
43 kg
31 kg
38 kg
35 kg
34 kg
42 kg
?
Height of student
Mass of student
3. Height and mass
For each of the above examples, answer the following questions
( A )What are the variables being investigated in each example?( B ) What is the input variable in each example?( C ) What is the outcome variable in each example?( D )Is there a relationship between the input and outcome variables in each example? Give a reason for your answer( E ) Predict values that can replace each question mark shown in the above examples. Justify your predictions.
ANSWERS
(A)
(B)
(C)
(D)
(E)
ANSWERS
A)
(B)
(C)
(D)
(E)
ANSWERS
A)
(B)
(C)
(D)
(E)
1. Pulleys 2. Height of liquid
Activity 2: Variables
Two variables
3. Height and mass