The Scientific Steps
Quantitative or Qualitative
Variables
Observation or Inference
Vocabulary
100
We might use a graduated cylinder, a ruler, or a triple beam balance to make this type of observation.
What is Quantitative
100
We use this type of unit when measuring liquid.
What is liter?
100
Krusty was told that a certain itching powder was the newest best thing on the market, it even claims to cause 50% longer lasting itches. Interested in this product, he buys the itching powder and compares it to his usual product. One test subject (A) is sprinkled with the original itching powder, and another test subject (B) was sprinkled with the Experimental itching powder. Subject A reported having itches for 30 minutes. Subject B reported to have itches for 45 minutes. The "length of itchiness" from the powders are which, controls or variables?
What are variables?
100
Observation or Inference? The bark on the birch tree was white.
What is observation?
100
The process of coming to a conclusion that is reasonable and logical.
What is Inference?
200
Making an educated guess based on your observations is also known as...
What is hypothesis?
200
Name the five senses.
What is see, touch, taste, hear, feel?
200
Procedure 1. Fill 3 cups with 200 milliliters of cold tap water. 2. Add 15 grams salt to cup 1 and stir, add 25 grams to cup number 2 and stir, add no salt to cup 3. 3. Place all cups in freezeer 4. Check results every 15 minutes and record results. Two constants that do not change in the experiment are?
What is ? 1. amount of water. 2. Placing in the freezer 3. Checking every 15 minutes (Any of these answers are correct.
200
Observation or Inference? Suzie said to Jane, "Did you hear that crash? Look, that ball next to the window must have broken it."
What is inference?
200
An instrument used to measure weight.
What is scale?
300
This is the 5th step of the scientific method.
What is Results?
300
Using our senses is this kind of observation.
What is qualitative?
300
List 3 variables that can affect the taste of a pie.
What is fillings, crust, sugar, amount of cooking time, etc...
300
Observation or Inference? The doorbell rings and no one answeers.
What is observation?
300
The amount of space an object takes up.
What is volume?
400
The third step of the Scientific Method.
What is make a hypothesis, or prediction?
400
A type of tool used to record the mass of an object when making a quantitative observation of an object.
What is a triple beam balance?
400
Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower. The coconut juice is which, the control or the variable?
What is the the variable?
400
Observation or Inference? The clouds look dark and grey.
What is observation.
400
the number of square units needed to cover a surface.
What is area?
500
What are the 7 Steps of the Scientific Method in order
1. Observation 2. Question 3. Prediction (hypothesis) 4. Procedures 5. Results 6. Conclusion 7. Further investigation
500
We use this type of tool to measure the volume of an object.
What is graduated cylinder?
500
Homer notices that his shower is covered in a strange green slime. His friend Barney tells him that coconut juice will get rid of the green slime. Homer decides to check this this out by spraying half of the shower with coconut juice. He sprays the other half of the shower with water. After 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower. The side sprayed with water is the variable or control?
What is control?
500
Observation or Inference? I rang the doorbell and there was no answer, so there must be nobody home.
What is Inference?
500
Closeness of parts; compact; thick; amount of stuff in a specific space.
What is density?