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Grade 8 Science Exam prep 2022 Flashcards | StudBud
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Grade 8 Science Exam prep 2022
Grade 8 Science Exam prep 2022
25 terms
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1
a mixture of two or more substances, usually a solid dissolved in a liquid.
Mixture
concoction
Solution
Blend
2
Mass is how much an object weighs
False
True
3
_______________ = length x breadth (width) x height
Density
Volume
Triangle
Mass
4
Density gives an indication how tightly packed particles are in a substance.
False
True
5
True or False - Electrons are negatively charged particles found in the space surrounding the nucleus of an Atom
False
True
6
The word "Atom" is derived from the Greek word: "_______"
Atos
Atomoses
Atomos
Atomis
7
Give one term for "A substance that is not mixed with any other substance"
Lone substance
Stand alone substance
Individual substance
Pure Substance
8
To figure out the Mass of an object you can devide Density with Volume
True
False
9
Attractive forces:
forces that are found between particles of matter that push the particles away from each other
False
True
10
What is missing in the picture below?
Pronoun
Carbon
Protons
Protins
11
True or False - There are 7 rows in the periodic table
True
False
12
In what year did Russian chemist Dimitri Mendeleev started to develop the Periodic table?
1869
1896
1810
1820
13
True or False - Substance refers to matter.
True
False
14
The D in the triangle stands for DENSITY
False
True
15
The displacement method can be used to figure out the DENSITY of an object
False
True
16
Milk has a higher density than cream
False
True
17
The term "indivisible" means that something can not be...
Invisible to the naked eye.
Multiplied by itself
Shared and mixed.
Divided or broken up
18
Continuous random movement of particles in gas or liquid caused by particles in the substance bumping into each other
Collision
Kinetic energy
Dilution
Brownian Motion
19
Out of the following elements choose the lightest one.
He
H
O2
CO2
20
True or False - Atoms can be chemically bonded to form molecules of elements or molecules of compounds.
False
True
21
Volume is measured in centimeters (cm³) or meters cubed (m³).
True
False
22
Out of the following elements which one is the heaviest?
Copper
Iron
Uranium
Lead
23
True or False - Matter isn't made up of tiny particles called atoms.
False
True
24
a fast moving particle has more kinetic energy than a slower moving particle
True
False
25
There is no instrument to measure density
True
False
