Science urgent

Validity

How well an experiment actually tests/measures the aim and hypothesis

Lab report order

Title → Intro → Aim → Hypothesis → Variables → Risk Assessment → Equipment → Method → Diagram → Results → Discussion → Conclusion

Theory

A formal explanation based on evidence, reviewed by the scientific community.

Law

A statement describing a phenomena that doesn’t change under the same conditions

Gunditjmara people’s separating techniques

Used Banksia cones to filter dirt from muddy water

Winnowing

uses wind to separate lighter husks/seed shells from heavier seeds

Ngadjon people separating techniques

Used woven jawun baskets in flowing water to filter toxins from cycad nuts

What physical properties can mixtures be separated based on?

Size, solubility, density, magnetism

What is another word for decanting?

Sedimentation

What is the acronym for a lab report?

TIA HVR EMD RDC

What do you do in discussion part of a lab report?

State if hypothesis was correct or wrong and why, explain trends, asses accuracy/validity/reliability, suggest improvements.

What do you do in the conclusion of a lab report?

Describe the relationship between the IV and DV; stat whether the aim was satisfied; may include a bibliography/appendix