Scientific Method

A logical,problem solving technique is called _______________

• States of Matter

• Particle Model of Matter

• Scientific Model

• Scientific Method

Which of the following is a good example of Research Problem/question in the experiment?

• How effective are natural antibacterial agents (garlic, honey, turmeric) in inhibiting bacterial growth compared to commercial antibiotics?

• How do plants grow?

• Will Sleep affect a student?

• Does a fish get angry if you take away its food?

Tags

NGSS.MS-LS1-5

Observation: 

Harry observes that the boiling time of water differs between water with salt and water without salt. He takes note of the time difference. What could be the problem for Harry's investigation or research question?

• Does the amount of water affect the boiling time?

• Does the salt make the water taste salty?

• Does the amount of salt affect the boiling time of water?

• Which water will Harry drink, fresh or salt water?

The part/step of the scientific method that is considered as the educated guess or tentative answer to the question is called __________

• sharing of result

• problem or question for investigation

• observation

• hypothesis

Taylor's research problem is: " Does the kind of soil affect the growth of papaya plants? What could be the focus of Taylor's research?

• The focus is on the nutritional value of papaya plants.
• The study investigates the impact of water quality on plant growth.
• The focus of Taylor's research is to investigate the relationship between soil type and the growth of papaya plants.
• The research aims to compare different types of fruit trees.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What are the 3 types of Variables?

• Random Variables, Dependent variable, Independent variable

• Static Variables, Constant variable,Random Variable

• Dynamic Variables,Independent variable, Static variable

• Independent Variables, Dependent Variables, Constant Variables

Tags

NGSS.HS-PS2-1

Which of the following is a NULL HYPOTHESIS?

• If salt is added to water, then its boiling time will be affected.

• The amount of salt does not affect the boiling time of water.

• The amount of salt affects the boiling time of water. 

Which of the following best describes an alternative hypothesis?

• It states that there is no difference between groups or no relationship between variables

• It is the statement that there is a change, difference, or relationship.

• It is an If.....,Then statement

Tags

NGSS.MS-PS2-5

Listing detailed materials and creating a clear procedure is part of which step in the scientific method?

• Observation

• Problem

• Experimentation

• Conclusion

The summary of the findings or data in the experiment is called the _______________________ .

• conclusion

• hypothesis

• experimentation

• observation