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Grade 8 Science Final Flashcards | StudBud
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Grade 8 Science Final
Grade 8 Science Final
40 terms
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StudBud Administration
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170 plays
A #science Quiz for my final (created 5/8/17)
Flashcards
40 cards
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Practice quiz
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Host live
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Questions
40
Answers
1
Universal solvent
salad dressing
jimmy neutron's tears
water
vinegar
2
what is physical science?
study of matter, energy and how they can be canged
biology
life
hearts and stuff
3
Chemical change?!! how
totally new substance
it just is
y r u askin me
yike
4
Electromagnetic?
travels in waves
some not deadly, some deadly
iron filings
magnetic dog
5
complex needs...
fuel or energy
h
h
hh
6
ph Scale- what's true?
strongest base is 14
6 is weakest acid
strongest acid is 1
7 is neutral
7
Solute v Solvent
yaaaaaaaaaaaaaaaaaaaa
dripdripdripdrip
Solute mixes into solvent, solvent dissolves solute
water
8
How to balance chemical equation?
boot
bat
exact same number of each kind of atom on each side
gru from despicable me
9
Which is physical change in matter?
Rusting iron
burning wood
Cutting paper
Burning paper
10
what happens in ionic bonds?
Not neutral atom any more, positive or negative
unequal sharing
share electrons
Electrons gained and lost, charge changes from neutral
11
Gas
8 6 7 5 3 0 nIIiiinneeEe
Fluid that takes up space
My face
jenny i got ur number ^^
12
Liquid particle movement?
gt
Not packed like solid, not free as gas
gt
gt
13
One of the ways the periodic table is organized...
the elements are friends who chill together and go to skate
Groups and columns by similar properties
Most reactive on the left, least reactive on right
Atomic number
14
which is compound?
bike
lights
tree
coffee maker
15
Properties of acids/bases
who are YOUUUUUUUUUUuU
snarfblat
acids are sour more corrosive positive and much hydrogen H+
bases more caustic found in cleaning stuff. you can eat some
16
REACTANTS? what r they?
hootie
Compounds or elements or others that react to make product
ELements that become products
hi
17
Simple machines
Screw, lever, wheel and axle, inclined plane, pulley, wedge
bike
snarfblat back at it
s Narf
18
Product?
division
multiplication
water
what reactants become
19
Electrical?
nah
parallel many paths, bulbs won't all go out if one does
series circuit is one path, all bulbs go out if one does
na
20
How to change inertia?
bill nye the sci guy
Can't change unless something of a greater force tries
iNErtia is a property of matte
billbillbillbillbill
21
Energy is....
ability to have smurf
ability to do work
ability to do twerk
ability to move smurk
22
Potential energy?
store
energy stored
go to the store
energy used
23
why use machines?
work easier and faster, mechanical advantage
alexander hamilton just u wait
awesme WOw
cuz it's cool
24
covalent
Electrons shared equally
narfd
noot
meet
25
Minimum number of variables in experiment?
one
four
three
two
26
elements?
hydrogen
boron
snarfblart
oxygen
27
Mixture VS solution
Lucky Charms is a mixture
Coca Cola is a solution
tea is a solution
True solutions are well-mixed, hard to seperate
28
Why repeat experiments?
fun times
more credibility
Accuracy of results
they are bored
29
Kinetic?
energy in motion
:)
floatin on the ocean
causin a commotion
30
Solids
my good pals
compact, vibrate in place
oh beep whaddup it's dat boii
help
31
polar bond?
narf
noot
Electrons have unequal sharing
Electrons shared equally
32
What is changed on purpose in an experiment?
changing variable
manipulated variable
constant variable
controlled variable
33
t/f you can eat some bases?
yes
ya
na
NoOOOoOooppe
34
Pressure....
kill me
speed increase, p decrease
D increase, P decrease//P increase, D decrease
elevation increase, p decrease
35
Forces must be...
Unbalanced (tug of war)
balanced
equal
simple machines
36
compounds?
hi
h2o
Co2
snarfblat
37
Chemical change?
color
Burning paper
dyeing wool
cutting paper
38
Why research b4 experiments?
sound more smart
increase your knowledge
Act like a pro science
Research helps to form better hypothesis and conclusion
39
Examples of forces
gravity
air pressure
push or pull
air resistance
40
Let's see. THE Scientific MEtHod
1) question/problem 2) research 3) hypothesis 4) procedure
h
h
5) data 6) conclusion
