Scientists believe that scientific knowledge and ideas should be based on

The hypothesis in a scientific investigation is

When making a graph of your data, where should you place the dependent variable?

The conclusion in a scientific investigation is based on

The independent variable is also called the

An experiment should only be done once, or you might come up with different and confusing results.

Fatima wants to find out how fresh flowers can be made to stay fresh longer. She should;

When planning the investigation, Fatima suggests using one type of flower, the same number of flowers, the same environmental conditions and location, etc.This type of variable is;

Fatima plans to test to see if sugar dissolved in the water will help the flowers stay fresher longer. This is the one thing she will change - what type of variable is it?

Fatima examines the flowers daily and notes on her data chart the number of flowers that are still fresh. This variable - the number of fresh flowers remaining is which variable?

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