Scientific method
How many steps of the scientific method?
6, 7 or 8
What are the two types of variables?
Independent and Dependent variables.
Unit symbol for length
l
What is the function of the human heart?
pump the blood
Describe photosynthesis
- a process of making plants food
- a process that transforms light into chemical energy.
- a process that converts light, water and carbon dioxide into food and oxygen
What is the first step of the scientific method?
Observation or Ask a question.
The plant requires sunlight to grow.
What is the dependent variable from the scenario?
Plant growth
Unit for mass
kilograms
Which structure is not found in the eukaryotes?
A.Flagellum C.Nucleus
B.Chloroplast D.Mitochondrion
A.flagellum
substances require for photosynthesis
light, carbon dioxide, oxygen
What is the last step of the scientific method?
Conclusion
The plant requires sunlight to grow.
What is the independent variable from the scenario?
sunlight
Quantity symbol for time
T
Define mitosis
type of cell division that forms two new cells
substances that formed or produced by photosynthesis
food(sugar, starch, glucose) and oxygen.
The Aim of the experiment is the same as
Purpose
The plant requires sunlight to grow.
What is the control group of the experiment?
Plant exposed to sunlight.
SYMBOL FOR ELECTRIC CURRENT
A
Which one is an example of a cell?
A.bone cell C.blood
B.skin cell D.muscle cell
C.blood
Explain the importances of mitosis.
produce growth, development and repair
Why is it important to have experiment in the scientific method?
To test the hypothesis if it is correct or not.
The plant requires sunlight to grow.
What is the experimental group?
The plant that kept in the dark.
The volume of liquid is measured in
Liters(L) or milliliters(ml)
Give one difference between prokaryotes and eukaryotes?
1.prokaryotes are unicellular and eukaryotes are multicellular organisms.
2.prokaryotes are simple whereas eukaryotes are complex.
3.examples: prokaryote - bacteria
eukaryote - plant or animal
name the phases of mitosis
Prophase, metaphase, anaphase, telophase.