Extra Practice

Why would you wear goggles in the lab?

• to prevent eye strain

• to improve your vision

• for protection from UV rays

• for protection from chemicals, heat, or glassware

If you do not understand a direction or part of a lab procedure, you should

• figure it out as you do the lab

• try several methods until something works

• ask the instructor before proceeding

• skip it and go on to the next part

After completing an experiment, all chemical wastes should be

• left at your lab station for the next class

• disposed of according to your instructor's directions

• dumped in the sink

• taken home

Tags

NGSS.HS-LS2-7

You are heating a substance in a test tube. Always point the open end of the tube

• toward yourself

• toward your lab partner

• toward another classmate

• away from all people

When gathering glassware and equipment for an experiment, you should

• use a beaker to drink water

• carry as much as you can at one time

• stack the glassware to carry it

• examine all glassware to check for chips and cracks

Which of the following is an observation of the picture?

• The person is wearing a T-shirt
• It is a sunny day
• The person is going to a birthday party
• The gift is a DVD player

Tags

CCSS.RI.7.1

CCSS.RI.8.1

CCSS.RL.6.1

CCSS.RL.7.1

CCSS.RL.8.1

She is holding an umbrella

• observation
• inference

Tags

CCSS.RI.6.1

CCSS.RI.7.1

CCSS.RI.8.1

CCSS.RL.6.1

CCSS.RL.7.1

It is raining outside

• observation
• inference

Tags

CCSS.RI.6.1

CCSS.RI.7.1

CCSS.RI.8.1

CCSS.RL.7.1

CCSS.RL.8.1

Which of the following is NOT an inference about the man in this picture:

• The man hates his purple shirt.
• The man has a purple shirt.
• The man is having a bad day.
• This man is upset because he's hungry

If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?

• Procedure
• Hypothesis
• Question
• Results

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6