A
A series of steps designed to help you solve problems and answer questions
A) scientific method
B) experiment
C) hypothesis
D) observation
A) scientific method
Which disinfectant works the best on household germs?
Is this question testable? Yes or No?
Yes.
When we say a question is testable, it means we can perform an experiment to test and get the answers.
What is the 1st step to the scientific method?
Make an observation
What is an educated statement or a possible explanation that could be tested called?
Hypothesis
What are the three types of variables?
Independent, dependent and constant variable
iPhones are better than Android phones.
Fact or opinion?
Opinion
This statement focuses in the discussion of what happens in the natural world.
Is it scientific law? Or is it scientific theory?
LAW - What
The process of obtaining information by using the senses is called a/an
A) observation
B) scientific method
C) inquiry
D) conclusion
A) observation
This statement can differ from one person to another.
Ex: Math is the easiest subject in school.
Opinion
This step answers the original question.
What is a conclusion?
All are examples of a quantitative observation EXCEPT ____________
A. | The surface is smooth. |
B. | The beaker was 500 mL in capacity. |
C. | The egg pie's radius is 4 cm. |
D. | Lydia de Vega's running time at the SEA Games was 23.01 minutes. |
A. The surface is smooth.
The researchers would like to know which among the three leading fast food chains has the best fried chicken- Mcdonalds, Jollibee, or KFC. They measured the taste of each signature fried chicken of each chain.
Which is the dependent variable?
Dependent variable - measured or observed
The taste of each fried chicken
Statements that are true, and can be verified through experimentation.
Fact
Which question would be the best high level scientific question?
A) Who made the first microscope?
B) Does the amount of salt in water affect the temperature at which it boils?
C) How many giraffes live in Africa?
D) How long ago did dinosaurs live on the Earth?
B) Does the amount of salt in water affect the temperature at which it boils?
Before you can form a hypothesis, you need to
a. state the problem or question
b. perform an experiment
c. state a conclusion
a. state the problem or question
Identify the independent variable: If I change the amount of water in the tank, then the fish will live longer.
Independent variable - changed variable
The amount of water
Before starting a science activity you should always
a. | read all the instructions very carefully. | c. | ask your friend what to do. |
b. | put on an apron. | d. | get ready to do first aid. |
read all the instructions very carefully.
Scientists test a hypothesis by
A. | formulating questions. |
B. | designing models. |
C. | doing experiments. |
D. | drawing conclusions. |
C.
doing experiments.
Which of the following steps to solve a problem is completed last?
A. | analyzing data |
B. | recognizing and identifying the problem |
C. | drawing conclusions |
D. | testing a hypothesis |
C.
drawing conclusions
Which of the following is an example of qualitative data?
A. | 50% of people in New York strongly enjoy pizza. |
B. | On average, respondents rate their grocery store a 3.5 out of 5. |
C. | The average amount spent on ice cream by 500 respondents was PhP 23.00. |
D. | Mint chocolate is not a familiar flavor of ice cream in the Philippines. |
D. Mint chocolate is not a familiar flavor of ice cream in the Philippines.
What skill is a scientist using when she listens to the sounds that whales makes.
A) making a hypothesis
B) interpreting data
C) making observations
D) drawing conclusions
C) making observations
A) Make a hypothesis, test the hypothesis, analyze the results, ask a question, draw conclusions.
B) Ask a question, analyze results, make a hypothesis, test the hypothesis, draw conclusions.
C) Ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions.
D) Ask a question, make a hypothesis, test hypothesis, draw conclusions, analyze results.
C) Ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions.
This Big Bang is the leading explanation for how the universe began. It says the universe started with an infinitely hot and dense single point that inflated and stretched.
Is this a scientific law or a scientific theory?
Scientific Theory
Identify the step of the scientific method completed in the description below.
Kevin said, "If I grow five seedlings in red light, I think the plants will grow faster than the five plants grown in white light."
2. Form a hypothesis
All are characteristics of an opinion EXCEPT ___________.
a. | It is objective. | c. | It is personal and subjective. |
b. | It may differ from person to person. | d. | It is subjective. |
A. It is objective.