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
5km in m
5000 m
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
What is the function of the cytoplasm
Jelly like substance, holds cell organelles
What is the boiling point of alcohol?
78 degrees Celsius
What is the liquid found in some therometers
mercury
Name three types of graphs
Bar chart, line graph, scatter plot, flow chart, venn diagram, pie chart
What state of matter change occurs in condensation?
gas to liquid
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 for calculating the volume of a regular object
Length X Width X Height
In an experiment, why should you change only one variable at a time?
To be sure only one factor is affecting the results
What is the control variable?
What stays the same/constant in the experiment
Name all the parts of the plant cell and give the functions of 3 parts
Ribosome, cell wall, cell membrane, vacuole, chloroplast, mitochondria, cytoplasm, nucleus
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
What stain is used for plant cells and animals cells under the microscope?
Plant = iodine
Animal = methylene blue