Lab Skills & Sci Method
What piece of equipment is used to measure liquid volume accurately?
Answer: Graduated cylinder
What does the “C” in CER stand for?
Claim
What is the pH of pure water?
7
What organelle controls the cell?
Nucleus
What process makes glucose in plants?
Photosynthesis
Why is a control group important?
It allows comparison
Which part of CER uses data?
Evidence
Which biomolecule provides quick energy?
Carbohydrates
What controls what enters and leaves the cell?
Cell membrane
Where does cellular respiration mainly occur?
Mitochondria
Why should you never smell chemicals directly?
Vapors may be harmful
Why is reasoning required in CER?
It explains how evidence supports the claim
What happens to enzymes at high temperatures?
They denature
What type of solution causes a cell to swell?
Hypotonic
Where does glycolysis occur?
Cytoplasm
Why must experiments be repeatable?
To ensure results are reliable
Why is numerical data stronger than opinions?
It is measurable and objective
Why does water resist temperature change?
High specific heat
Why do cells shrink in hypertonic solutions?
Water leaves the cell
Why does aerobic respiration produce more ATP?
Glucose is fully broken down
Why are constants important in experiments?
They ensure only one variable is tested
What should happen if evidence does not support a claim?
The claim should be revised
Why do extreme pH levels disrupt cells?
They affect enzyme structure
Why do prokaryotes not have membrane-bound organelles?
They lack a nucleus
Why do plants still need cellular respiration?
To release energy from glucose