Lab Safety Review

Define the word experiment

• Using materials and procedures to conduct an investigation

• An educated guess about what you think will happen; "if...then..."statement

• Information gathered using your 5 senses

• One thing you can change

What is a hypothesis?

• ONE thing you can change

• Information gathered using your 5 senses

• An educated guess, written as an "if...then..." statement

• Using materials and procedures to conduct an investigation

An observation is...

• using materials and procedures to conduct an investigation

• an educated guess written as an "if...then.." statement

• information gathered using your five senses

• ONE thing you can change

What is an inference?

• ONE thing you can change

• An explanation of what you have observed

• Information gathered using your 5 senses

• Your educated guess, what you think will happen; "if...then..."

A variable is...

• ONE thing I change

• information gathered using your 5 senses

• using materials and procedures to conduct and investigation

• an explanation of what you have observed

Brooke chose the following question for her science fair project, "Does the amount of sunlight a plant receives affect how tall it grows?"

What is the variable in Brooke's experiment?

Brooke chose the following question for her science fair project, "Does the amount of sunlight a plant receives affect how tall it grows?"

What will Brooke measure at the end of her experiment?

It is important to follow all directions in a Lab very carefully because:

• it prevents accidents

• it keeps everyone safe

• so we are successful in our task

• directions aren't important

Paper, plastic and aluminum are all _____

Which of the following is a good testable question?

1)Which holiday is the best?

2)Do all plants need sunlight?

3)Are dogs better than cats?

4)Which type of fertilizer helps plants grow best?

Explain below.