Year 7 overview

Which of the sentences below is an AIM?

• To determine if adding salt to water changes the water's boiling point

• Adding salt to water will decrease it's boiling point

• I think if I add salt to water it will take longer to boil

• 1. Set up equipment as shown in the diagram below

Which of the sentences below is a hypothesis?

• To determine if adding salt to water changes the water's boiling point

• Adding salt to water will decrease it's boiling point

• I think if I add salt to water it will take longer to boil

• Set up equipment as shown in the diagram below

A short statement about what you are planning to do:

• Hypothesis

• Aim

• Method

• Variable

The section that tells you how to do the experiment:

• Method

• Discussion

• Hypothesis

• Materials

The variable the is changed on purpose is..

• Constant
• Control
• Independent Variable
• Dependent Variable

The variable that is being tested, counted, or measured and is responding to the independent variable is known as 

• Control
• Constant
• Independent Variable
• Dependent Variable

What is NOT an aspect of a method?

• Need to specifically state the equipment used

• Need to specify quantity used

• Need to repeat and gather average of results

• graphing

A testable answer to a scientific question

• Question
• Observation
• Hypothesis
• Experiment

Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

What is an independent variable?

• What a scientist changes in an experiment to test their hypothesis

• What scientist measure to see if it responded to a change

• What happens when you do an experiment

• What you keep the same throughout all experimental groups