Safety in the Lab Chemical Reactions Reproduction Particles and Solutions Electricity
100
What must students with long hair do in the lab?
Use a hair tie to tie back hair
100
What is the sign of a chemical reaction?
a new substance has been made
100
What is a growth spurt?
a time of rapid growth
100
What is a liquid?
particles vibrate and are close together, yet can move about. As the particles are always moving they are not in a regular pattern
100
What is an ammeter?
measures the current in the wires
200
What is the correct procedure for using a bunsen burner?
light the match first then turn on the gas
200
How do you test for hydrogen?
You will hear a pop sound when testing with a lighted splint
200
What is puberty?
the first part of adolescence
200
What is diffusion?
the spreading out of gas particles.
200
What is a series circuit?
lamps are arranged side by side in the same loop
300
What must you do if chemicals are squirted in the eye?
use the eye bath
300
How do you test for oxygen?
A glowing splint will relight
300
How long does the menstrual cycle last?
About 28 days
300
What is chromatography?
the process used to separate different mixtures, dyes and inks.
300
How do you find a fault in a circuit?
test each part of the circuit
400
Where must bags be kept?
under your desk
400
How do you test for carbon dioxide?
When bubbling it through limewater, the limewater will turn cloudy/ milky
400
What are non-identical twins?
Are produced if two eggs are released at the same time. Each egg is then fertilised by a a different sperm.
400
What is distillation?
a method used to separate the solvent from a solution or to separate mixtures of liquids, with different boiling points?
400
What is a parallel circuit?
lamps are placed in different loops in the circuit
500
What must you always give to your science teacher?
chocolate cake
500
How are oxides made?
They are produced during burning
500
What are contractions?
when the strong muscles of the uterus wall squeeze and try to push the baby out.
500
When do particles vibrate more?
when exposed to higher temperatures
500
What is resistance?
makes it harder for the current to flow






Year 7 Science Quiz

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