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WorksheetsQ3 Assessment review 23-24
Total questions: 43
Worksheet time: 2hrs 9mins
What state/phase is the object likely from points A to B?
Solid
Liquid
Gas
Plasma
What is happening to the particles in the substance between points D and E?
Melting
Freezing
Vaporizing
Sublimating
According to it, water freezes at 32 degrees and boils at 212 degrees.
Hot air balloons fly in the __________.
troposphere
mesosphere
thermosphere
In which layer of the atmosphere do satellites orbit?
exosphere
thermosphere
troposphere
mesosphere
Which layer of the atmosphere contains the ozone layer?
mesosphere
troposphere
stratosphere
thermosphere
What is the name of earth's atmospheric layer where weather occurs?
stratosphere
thermosphere
exosphere
troposphere
List the layers of the atmosphere in order from Earth's surface to outer space.
stratosphere, thermosphere, troposphere, mesosphere, exosphere
troposphere, mesosphere, thermosphere, exosphere, stratosphere
troposphere, stratosphere, mesosphere, thermosphere, exosphere
thermosphere, troposphere, mesosphere, stratosphere, exosphere
What charge does an atom have when it GAINS electrons?
Positive
Negative
Neutral
What charge does an atom have when it LOSES electrons?
positive
negative
neutral
polyatomic
number of electrons, if it is a neutral atom
both electrons and neutrons in an atom.
Copper is a common metal. Which of the following properties does this metal most likely have?
Very conductive, high malleability, and low luster
Low conductivity, low malleability, and low luster
Very conductive, malleable, and high luster
Low conductivity, malleable, and high luster
This group of elements sit along a stair step line on the periodic table and have properties of both metals and nonmetals. _________________________
halogens
metals
nonmetals
metalloids
Theory or Law? _________ of conservation of matter: Matter can never be created or destroyed. Tells what happens with matter.
Theory
Law
Theory or law? The cell _________ of living things: living things are made of cells, which explains how things grow and live.
Theory
Law
Scientists in all branches of science have developed scientific theories. Which of the following statements is true about all scientific theories?
Scientific theories are not widely accepted when they are first developed.
Scientific theories are based on large amounts of evidence.
Scientific theories will become scientific laws if enough scientists support them.
Scientific theories are based on the work of individual scientists.
A testable statement about the natural world that can be used to build more complex inferences and explanations.
Is H2O2 an element or a compound?
element
compound
Ionic bonds happen when valence electrons are
shared
too heavy
transferred
Which type of bond occurs between non metals?
covalent bonds
ionic bonds
metallic bonds
all types of bonds
How many different elements are in the C6H12O6
3
6
12
24
How many total atoms are in C6H1206
3
6
12
24
What type of bond forms CaF2
covalent bond
ionic bond
metallic bond
all answers are correct
Is this equation balanced? C3H8 + 5O2 = 4H2O + 3CO2
yes
no
How many oxygen atoms on each side of C3H8 + 5O2 = 4H2O + 3CO2
2
3
5
10
After a chemical reaction occurs, atoms are not created nor destroyed,
just rearranged into a new substance
just changed into different elements
just turned into unstable elements
In order for a chemical reaction to occur,
there must be an explosion or fire
bubbling or gas must be produced
a new substance must be formed
the substance must turn color
