Labsafetylabequipmen Lab safety lab equipment metrics scientific method

Question Answer
TRUE or FALSE. The open end of a test tube should never be pointed towards yourself or others True
When the teacher left the room, Suzy decided to take off her goggles, light the benson burner and heat the test tube. What did she do wrong? No adults in the room so not flames allowed? Proper disposal of chemicals? No adults in the room = no flames allowed
TRUE or FALSE. Cracked glassware can be used in the lab. False
Which step to do you first in the Scientific Method? Test your hypothesis. Or Record and Analyze Data? Test your hypothesis
Would you use a meter stick, graduated cylinder, or triple beam balance to measure. 38 grams of flour? Triple beam balance
TRUE or FALSE. Performing an experiment that has not been assigned or approved by the teacher is acceptable behavior False
Which step to do you first in the Scientific Method? Form a hypothesis . Or Record and Analyze Data? Form a hypothesis
TRUE or FALSE. Eating or drinking in the lab is safe as long as it is not done from lab equipment. False
Which step to do you first in the Scientific Method? Test your hypothesis OR Form a hypothesis Form a hypothesis
Would you use a meter stick, graduated cylinder, or triple beam balance to measure 73 mL of liquid? Graduated cylinder
TRUE or FALSE. It is safe to eat or drink out of lane equipment as long as it is clean. False
Which step to do you first in the Scientific Method? Recognize the problem Or Record and Analyze Data? Recognize the problem
TRUE or FALSE. It is necessary to report even minor lab accidents. True
Tom and Bob decided to work on a lab during lunch. While eating lunch in the lab, performing an experiment. What did they do wrong? Eat in the lab? Disposal of chemicals? Eating in the lab
Would you use a meter stick, graduated cylinder, or triple beam balance to find the mass of 20 dimes? Triple beam balance
TRUE or FALSE. It is safe to place your nose directly over a container to smell odors. False
Betty and her group were trying to hurry, so they decided to skip the aprons and goggles, skipped steps 4 and 5 on the instructions and dumped the chemicals in the trash can. What did they do wrong? Dispose of chemicals? Eating in the lab? Dispose of chemicals
Would you use a meter stick, graduated cylinder, or triple beam balance to measure the length of a truck? Meter stick
TRUE or FALSE. The science classroom is a good place for rough play and practical jokes. False
Which step to do you first in the Scientific Method? Test your hypothesis. Or Draw conclusions Draw conclusions
TRUE or FALSE. If your area and quipment become a mess during the lab experiment, let the next class clean it up if you run out of time. False
Scientists use prior knowledge and experience to Form a hypothesis
An experiment was conducted to determine if the food given to a. Chicken would affect the number of eggs it lays. The INDEPENDENT variable is: Food
The variable being measured is the ___________. Dependent
An experiment was conducted to determine if the food given to a chicken would affect the number of eggs it lays. The CONSTANT is: Chicken
Charts, tables and graphs can be used to __________ data. Analyze
The variable that you can change is the ___________. Independent
Information you gather with your __________ is called inferences. Senses
An experiment was conducted to determine if the food given to a chicken would affect the number of eggs it lays. The DEPENDENT variable is: Number of eggs
The variable that stays the same is the ___________. constant