? 發問時間： 社會與文化語言 · 1 0 年前

# Identifying variables 大家快幫我不

Hannah and Faye made some ' krispy cakes '. Last week they made some and they were delicious. Today they made some and they were horrible. Hannah thought that it might be the type of chocolate that they used. Last

week they used milk chocolate and today they used dark chocolate. Both girls were keen to investiage if Hannah was correct. They decided that the outcome variable would be taste.

1.what would be the input variable ?

2.what would be the values for the outcome variable?

3.if hannah was correct, what would the relationship be?

4.what would be the fixed variables in this investigation?

David and Connor were investigating how good paper towels were at

mopping up water . They had three types of paper towel- thin towels, thick

towels and extra thick towels. They took a meter length of each towel and dipped it in 600ml of water. They took out the towel and measured how much water was left in the bucket.

Their results were:

Type of towel Water left in bucket

thin towel 500ml

thick towel 350ml

extra thick towel 175ml

5.what is the input variable ?

6.what is the outcome variable?

7.what would be the values for the variable ?

8.what are the fixed variable in this investigation?

9.what is the relationship?

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### 1 個解答

• ?
Lv 5
1 0 年前
最佳解答

1.what would be the input variable ?

Input variable : The type of chocolate that they used: Milk chocolate and dark chocolate

2.what would be the values for the outcome variable?

The values for the outcome variable: Taste of the cake

3.if hannah was correct, what would the relationship be?

If they use milk chocolate, the cake is delicious.

If they use dark chocolate, the cake is horrible.

4.what would be the fixed variables in this investigation?

Other materials without the chocolate

5.what is the input variable ?

three types of paper towel- thin towels, thick

towels and extra thick towels.

6.what is the outcome variable?

Type of towel Water left in bucket

7.what would be the values for the variable ?

How much water was left in the bucket.

8.what are the fixed variable in this investigation?

A meter length of each towel and dipped it in 600ml of water.

9.what is the relationship?

The thinker the towel is , the less water left in the bucket.

2007-09-13 02:08:13 補充：

謝謝更正喔!! ^&^!!