The cell
Which type of cell does not have a cell wall?
Animal cell
What are the three states of matter
solid, liquid, gas
50 mm
What is a hypothesis
An educated guess
A word to describe a substance that cannot be dissolved in water
Insoluble
Which blood vessel has valves? veins or arteries?
veins
Are human multicellular or unicellular organisms
Multicellular
Name 4 examples of gases
Nitrogen, oxygen, carbon dioxide, methane, argon, neon, hydrogen
200 cm in metres
2 m
Name 3 safety precautions in the lab
hair tied up, lab coat, googles, no food/drink, bags away
What is the function of the cell wall?
Gives structure and support to the plant cell
Name two blood cells and give the function of one of them
WBC RBC
INFECTION /OXYGEN TRANSPORT
What is the function of the cytoplasm
Jelly like substance, holds cell organelles
What is the boiling point of alcohol?
78 degrees Celsius
The piece of equipment used to measure liquid volume accurately in a lab.
Graduated cyclinder
Name three types of graphs
Bar chart, line graph, scatter plot, flow chart, venn diagram, pie chart
the substance that dissolves is called the ........ and the substance that does the dissolving is called the ........
Solute and solvent
What is the name of the movement that pushes food down the oesophagus
Perstalsis
What extra organelles do plant cells have that animal cells do not?
Chloroplasts, vacuole, cell wall
What is sublimation?
When a solid goes straight to a gas
What is the formula and units for calculating the volume of a regular object
Length X Width X Height cm3
In an experiment, why should you change only one variable at a time?
To be sure only one factor is affecting the results
Name 3 methods of separation
Distillation, evaporation, chromatography, filtration
Name the three structures inside the lungs
Bronchus, Bronchioles and alveoli
What is the stain used to see 1) plant cells and 2) animal cells under the microscope
1) Iodine
2) Methylene Blue
Name four signs that a chemical reaction has occured
Bubbles, smoke, temperature change, irreversible, light emitted, fizzing
What is the name of the piece of equipment that measures a curved line
opisometer
What is the difference between your independent and dependent variable
The independent is what you change in the experiment, the dependent is what you measure
A solution that cannot hold anymore solute is called what
saturated
Name the 4 blood vessels of the heart
Pulmonary Vein, Pulmonary Artery, Vena Cava, Aorta