1. ZAP! Matter & Scientific Method
Review Game

2. Question 1 Rusting metal is an example of A. a physical change
B. a chemical change
C. matter being created
D. matter being destroyed

3. Question 2
A cup of hot tea is placed on a scale. Over time, the scale shows that the mass of the tea is decreasing. What is happening?
EVAPORATION: Liquid to gas

4. Question 3 Which of the following is an example of a chemical change?
A. crumpled paper
B. a burning log of wood
C. sugar dissolving in iced tea
D. a popsicle melting

5. Question 4 Which of the following is an example of a physical change?
A. crumpled paper
B. a burning log of wood
C. a lit match
D. rotting fruit

6. Question 5 Is this an example of an open or closed system?

7. Question 6
Is this a physical or chemical change?
CHEMICAL change

8. Question 7 List three physical properties of this object. Brown Fuzzy
Light
Soft

9. The ONLY sure evidence of a chemical change is ___________________ .
Question 8
The ONLY sure evidence of a chemical change is ___________________ .
a new substance

10. Question 9 This change of state is an example of A. basic change
B. physical change
C. extreme change
D. chemical change

11. The smallest particle that makes up ALL matter is the _________.
Question 10
The smallest particle that makes up ALL matter is the _________.
atom

12. Give TWO examples of a PHYSICAL change.
Question 11
Give TWO examples of a PHYSICAL change.
Crumbling paper
Ripping paper
Crushing cans
Melting/freezing/evaporating
Keep It Simple Silly!

13. Give TWO examples of a CHEMICAL change.
Question 12
Give TWO examples of a CHEMICAL change.
Rusting/tarnishing
Burning
Baking soda reacting to vinegar (acid)
Baking/frying foods
Spoiling/rotting
Keep It Simple Silly!

14. What is a physical property of metal that makes it so useful?
Question 13
What is a physical property of metal that makes it so useful?
Hint: Think of things we make with metal.
Ductility -or- conductor of electricity -or- malleability

15. Name one CHEMICAL property.
Question 14
Name one CHEMICAL property.
Flammability
Tendency to rust
Reactivity to acid
Reactivity to water

16. Question 15
Acid, Base or Neutral?
BASE

17. Question 16 Baking soda has a pH of 8.2. This means baking soda is
A. neutral
B. acidic
C. basic
D. flammable

18. Question 17
Stomach acid
Using the pH scale, which is most acidic?

19. Question 18
Water
Using the pH scale, identify a neutral substance.

20. Question 19
Blood
Using the pH scale, which is least basic?

21. Question 20
ACID
Acid, Base or Neutral?

22. Name 2 reasons why scientists must repeat their experiment.
Question 21:
Name 2 reasons why scientists must repeat their experiment.
ACCURACY
RELIABILITY

23. Qualitative or Quantitative Observation?
Question 22:
Qualitative or Quantitative Observation?
“The aluminum ball has a 4.2 inch diameter.”
Quantitative

24. Qualitative or Quantitative Observation?
Question 23:
Qualitative or Quantitative Observation?
“The plant has broad, green leaves.”
Qualitative

25. Jenny thinks that applesauce makes cake more moist than oil.
Question 24:
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?

26. Question 25:
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
THIS GUY

27. Question 26:
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.

28. Question 27:
Reese wants to know if the number of toppings on her pizza affects the price she will have to pay.
What is the dependent variable?
The price of her pizza

29. Question 28:
George wonders if Super Grow fertilizer will make his corn grow faster than normal.
What is the independent variable George is testing?
The use of Super Grow fertilizer

30. Question 29:
What can scientists do to increase the accuracy and reliability of their experiments?
Repeat the experiment

31. Question 30:
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?
Type of plant, soil, sunlight, water, temperature

32. Question 31:
What safety equipment should be used if Elizabeth is using a burner to heat up a glass beaker with water?
Heat-resistant gloves, tongs, apron, safety goggles

33. Question 32:
“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 Three: Form a hypothesis.

34. Willow is graphing the results of her experiment.
Question 33:
Willow is graphing the results of her experiment.
This is an example of which step of the Scientific Method?
Step Seven: Analyze data.

35. Question 34:
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 Six: Observe and record data.

36. Question 35: 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 specific and measurable!

37. Question 36:
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 in the water
DV: The number of sharks that come

38. Name one of the five skills of good scientists?
Question 37:
Name one of the five skills of good scientists?
Observing
Inferring
Predicting
Classifying
Making models

39. Describe the attitude of “skepticism.”
Question 38:
Describe the attitude of “skepticism.”
An attitude of DOUBT

40. Question 39:
Pick one symbol. Describe what it tells you about the experiment.
Electric shock
Corrosive chemical
Explosive
Flammable
Poison
Radioactive

41. Are green beans better for you than carrots?
Question 40:
Explain why the following question is NOT a good scientific question.
Are green beans better for you than carrots?
This is asking for an opinion. “Better” cannot be measured.

42. Question 41:
Put the following steps of the Scientific Method in order.
A. Form a hypothesis
B. Make a conclusion
C. Perform the experiment
A before C before B

43. Question 42:
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?
This question is specific and measurable!

44. Question 43:
A scientist is studying the effects of sleeping pills on a person’s heart rate. What is something that should be kept constant?
Person, sleeping conditions, environment, diet, temperature

45. What is the definition of data?
Question 44:
What is the definition of data?
ALL of the information gathered during an experiment

46. Question 45:
Which of the following means “an eagerness to learn more”?
A. skepticism
B. creativity
C. honesty
D. curiosity
E. open-mindedness