When an accident occurs in the lab you should always, do what first? let the teacher know 2. When finished with a lab, you should always do what with your equipment? clean up area and put away all equipment

3. Draw a graph with the Size of Population as the dependent variable and the temperature as the independent variable. In your graph what might the line look like if the temperature started at 10°C, population at 0 and the temperature increased and population increased until it got to 45 °C and then the line dropped off to 50°, 0 population.

4. How would you graph the growth of a toddler for 6 months 4. How would you graph the growth of a toddler for 6 months? what is on the x-axis what is on the y-axis what type of graph would it be

A student changes the size of the balloon from a round to a long skinny balloon and records the amount of air lost from the balloon (measured the diameter of the balloon). What is on the y-axis of the graph? diameter of the ballon

What piece of lab equipment measures volume? What piece of equipment would you use to collect large amounts of water and still be able to make measurements from? beaker What piece of lab equipment measures volume? Graduated cylinder

8. Which is the safest way to handle a substance? Heat it Mix it with another chemical Taste it Dissolve it into water Where should you put broken test tubes? find coach lee and then let him put it in the correct disposal bin.

10. Which is faster? 70mph 50mph 120mph 2 mph

What makes an experiment valid? One independent variable Many trials 12. What should you do with leftover chemicals during a lab? Dispose of them properly

13. What do you read on a graduated cylinder to find the volume of liquid? milliliters List 4 pieces of safety equipment. apron, goggles, gloves, fire blanket, eye wash station, shower, etc

Give an example of the two kinds of data you can collect during a lab: Qualitative and quantitative Predict the length of the line on Day 29. 32cm

17. 9ml 18. What instrument are you using above, why do you use it, and what is the reading? Triple beam balance, measure mass and 132.5

19. 3*230=690 20. 90 Fill in the missing information from the table. What is the amount of calories for three servings? 19. 3*230=690 20. 90 Fill in the missing information from the table. Years Mass (g) 2 30 4 60 6 ? 8 120 10 150