Year 7 science test laboratory safety and equipment Flashcards
What are 4 branches of biology?
Botany- plants
Entomology-insects
Zoology-animals
Microbiology-microscopic
What do biologists study?
Living things
Physics? Branches of physics
The behaviour of natural and manufactured things.
Acoustics sound
Biomechanics forces involved in movement
Astronomy
Stars Sun Planets Moons Heavenly bodies (comets and asteroids)
Geologists study
Earth and how it changes
Name 3 branches of geology
Vulcanology
Seismology earthquakes
Palaeontology fossils
Psychology
Mind and behaviour
What do forensic psychologists study
Psychology and the law
Chemistry is…(4 points)
The study of substances
- what they are made of
- how they are formed
- how they changed
- what happens when they are combined
2 branches of chemistry
Radioactive chemistry radioactive substances
Pharmacology drug effects on people
Name the six branches of science
Physics Chemistry Biology Geology Psychology Astronomy
What is used to heat substances
Bunsen burner
What are tongs used for
To pick up and hold small solid objects often while hot
What is the use of a filter funnel
To pour liquids from one container to another and with filter paper can seperate mixtures
A test tube is…
A container for holding heating and mixing small amounts of substances
To hold test tubes upright is
Test tube rack
What is used to hold test tubes while its being heated
Test tube holder (peg)
A spatula is
Used to pick up small amounts of solid substances
What is the use of a boss head, clamp and retort stand
They are used to hold equipment at a required height
The clamp holds objects at the required height on a retort stand and the boss head holds the clamp to the retort stand.
What is a watchglass
It holds small quantities of solids
What container is used for mixing substances or collecting filtered substances?
A conical flask
Gauze mat
Supports a container over a Bunsen burner
A tripod…
Supports a gauze mat over a Bunsen burner
Name 2 things you should never do while conducting an experiment
Leave it unattended
Conduct it without teacher permission
Name 3 things you should do to keep safe in the science lab
Wear a lab coat
Wear safety glasses
Tie hair back
Name 3 ways you should not do with chemicals/ glass wear when you are finished
Pour hazardous chemicals down the sink
Put solid materials down the sink
Put hot objects or broken glass in the bin
Should you enter the science lab without teacher supervision
NO
Never smell or taste chemicals unless your teacher says it’s ok if you were to smell a substance what technique should you use
You should use your hand to fan the odour towards your nose
True or false you are not allowed to run and push in the lab
True
Should you point test tubes towards yourself or others
No
Should you measure things from above or side on and what is this called
Above
Parallex error
What is it called when the liquid curves. Always measure from middle/flat section
Meniscus
What are school thermometers made with
Alcohol died red
3 rules when using thermometer
Never rest it on bottom
Ensure liquid covers bulb
Read with eye level
What are the first 3 steps to lighting a Bunsen burner
Put the Bunsen burner on the heatproof mat
Check the gas tap Is in the off position
Connect the rubber hose to the gas tap
What are the last 5 steps
Close the airhole Light a match and hold it above the barrel Turn on the gas tap Adjust the flame by opening the airhole Remember to close collar when not in use
What is an observation
What is seen/observed
What is an inference
A suggestion on what happened based on observations
What is a hypothesis
An educated guess on what will happen
What are the parts of a report
Aim Hypothesis Materials Method Results Discussion Conclusion
What should be included in the aim
A statement on why you did the experiment
What should you include in the discussion
An explanation of results
Difficulties
Suggestions
What is a conclusion
A brief account on what you found out after testing/researching and how they relate to your aim
What are 3 rules when drawing scientific equipment
Use a pencil
Ruler
Label every item
