Physical science 1.6 review

what is a hypothesis?

• A prediction is stating what you believe will be the result of your experiment.

• A random guess

• The outcome of your experiment

• Step by step directions for your experiment

The independent variable is the ONE thing you ​ (a)   .

• change on purpose
• control or keep constant
• measure
• predict will be the outcome

The variable that is being measured or observed is called the ​ (a)   .

• dependent variable
• hypothesis
• independent variable
• control variable

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. What variables should be kept constant/controlled?

• type of plant, flower pot, soil, and amount of sunlight

• water, apple juice, milk

• only the amount of sunlight

• type of plant only

Which of the following are encouraged in the lab? choose all that apply

• Listening to all instructions

• Wafting smells

• Washing hands

• Chewing gum

• Horseplay

what would you do immediately following data collection?

• ask a question

• make a hypothesis

• complete the procedure

• analyze the results

Match the following

• What changes in the experiment

• Constant

• What changes BECAUSE of something else

• Dependent variable

• What stays the same in an experiment

• independent variable

Reorder the following

• procedure

• Analysis

• Hypothesis

• Question

• Data / Experiment

Which of the following is encouraged while working in a lab? Choose all that apply.

• Eating a snack

• Chewing gum

• Wafting smells

• Washing hands

In a lab ​ (a)   should be worn, but ​ (b)   should not be worn.

• safety goggles
• Loose long sleeves
• open toed shoes
• Lab coats