1. ZAP! Scientific method
Review Game

2. Name 2 reasons why scientists must repeat their experiment.
Question 1:
Name 2 reasons why scientists must repeat their experiment.
To find mistakes
To increase the amount of data
For ACCURACY and RELIABILTY!

3. Qualitative or Quantitative Observation?
Question 2:
Qualitative or Quantitative Observation?
“The aluminum ball is dented.”
QUALITATIVE – NO #s or amounts

4. Qualitative or Quantitative Observation?
Question 3:
Qualitative or Quantitative Observation?
“The plant has a measured height of 6.5 inches.”
QUANTITATIVE - #s or amounts

5. Jenny thinks that applesauce makes cake more moist than oil.
Question 4:
Jenny thinks that applesauce makes cake more moist than oil.
What scientific question could she use as her experiment’s problem?
Does applesauce make cake more moist than oil?

6. Jenny thinks that applesauce makes cake more moist than oil.
Question 5:
Jenny thinks that applesauce makes cake more moist than oil.
Using Jenny’s problem, and knowing that she usually uses oil in her cakes, which cake would be the experimental group?
The cake made with applesauce is the experimental group.

7. Which scientist’s results would be most accurate and reliable?
Question 6:
Which scientist’s results would be most accurate and reliable?
Scientist #1
Scientist #2
Scientist #3
repeated the experiment and obtained different results each time
paid for the experiment to be done and published the results
repeated the experiment and obtained the same results each time
Scientist #3

8. Question 7:
George wonders if Super Grow fertilizer will make his corn grow faster than normal.
What is the dependent variable in his experiment?
DV: the speed of corn growth

9. Question 8:
Reese wants to know if the number of toppings on her pizza affects the price she will have to pay.
What is the independent variable?
IV: number of pizza toppings

10. Question 9:
What can scientists do to increase the accuracy and reliability of their experiments?
Scientists should repeat their experiments.
It is also a good idea to compare results.

11. Question 10:
Two students are studying the effect of insects on plant growth. They prevent insects from eating some plants by covering the plants with a transparent mesh cloth. The students leave the other plants uncovered.
What are some of the constants in their experiment?
Constants: same plants, same pot/soil/amount of water, same length of time for each trial, same exposure to sunlight

12. Question 11:
What safety equipment should be used if Elizabeth is using a burner to heat up a glass beaker with water?
Safety goggles, heat-resistant gloves, apron

13. Question 12:
“Chirp”
Jack thinks that the volume of cricket chirping outside his window has something to do with the temperature outside.
What part of the Scientific Method did he just complete?
Step 3: Form a hypothesis.

14. Willow is graphing the results of her experiment.
Question 13:
Willow is graphing the results of her experiment.
This is an example of which step of the Scientific Method?
Step 7: Analyze data.

15. Question 14:
Beth measures the mass of the mice in her lab everyday for 14 days and writes the measurements in her table.
This is an example of which step of the Scientific Method?
Step 6: Observe and record data.

16. Which of the following is a good scientific question?
Who is cooler, Albert Einstein or Isaac Newton?
Which insect produces the most honey?
THIS question is measurable.
The other question is asking for an opinion.

17. Question 16:
If you increase the amount of blood in the water, then more sharks will come.
What is the independent variable and the dependent variable?
IV: the amount of blood

18. Name one of the five skills of good scientists?
Question 17:
Name one of the five skills of good scientists?
Observing
Inferring
Predicting
Classifying
Making models

19. Describe the attitude of “skepticism.”
Question 18:
Describe the attitude of “skepticism.”
Skepticism is the attitude of DOUBT.

20. Pick one symbol. Describe what it tells you about the experiment.
Question 19:
Pick one symbol. Describe what it tells you about the experiment.
Electric shock
Corrosive chemical
Possibility of explosion
Poison
Flammable
Radioactive

21. Are green beans better for you than carrots?
Question 20:
Explain why the following question is NOT a good scientific question.
Are green beans better for you than carrots?
“Better” is not measurable. This question needs to be more specific.

22. Put the following steps of the Scientific Method in order.
Question 21:
Put the following steps of the Scientific Method in order.
A. Form a hypothesis
B. Make a conclusion
C. Perform the experiment
1. Form a hypothesis. 2. Perform the experiment. 3. Make a conclusion.

23. Question 22:
Kyle wonders if eating spinach will make him a better basketball player. Which of the following should he use for his experiment’s problem?
Does eating spinach make you better at basketball?
Does eating spinach improve shooting accuracy?
Question B is measurable.

24. Question 23:
A scientist is studying the effects of sleeping pills on a person’s heart rate. What is something that should be kept constant?
Same number of people in each group, length of trial, people of equal health

25. What is the definition of data?
Question 24:
What is the definition of data?
Data – ALL information gathered during the experiment

26. Which of the following means “an eagerness to learn more”?
Question 25:
Which of the following means “an eagerness to learn more”?
A. skepticism
B. creativity
C. honesty
D. curiosity
E. open-mindedness
- An eagerness to learn more