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Worksheets6th grade 1-3rd 9 weeks
Total questions: 100
Worksheet time: 1hrs 27mins
Na2CO3
The smallest particle of an element; made of electrons, protons and neutrons.
Atom
Mixture
Mass
Lithosphere
An object undergoes a chemical change when it changes:
shape, form, state of matter
melting, odor, size
color, burning, rusting
Which of the following is evidence of a possible chemical change?
chalk breaking
water condensing
an apple rotting
a rock cracking
Which of the following is NOT evidence of a possible chemical change?
bubbles
precipitate
dissolving
breaking chemical bonds
Which of the following is evidence of a possible chemical change?
Temperature increase or decrease when two substances are mixed
Water changing from a liquid to a solid in the freezer
Water warming up on the stove
A force is ____.
a push or pull that can cause movement
a magnet
when someone does not work
It is defined as forces that are equal in magnitude.
Unbalanced Forces
Forces
Balanced Forces
Net force
Use the picture as reference. If the force of the girl pushing is 30N, and the force of the boy who is also pushing is 30N, what is the net force?
0N
60N
900N
1N
If you apply an unbalanced force to an object at rest, what will happen to that object?
the object will remain at rest.
the object will move.
The object will stay.
None of the above.
What operation do we use when forces acting on an object have the same direction?
division
multiplication
subtraction
addition
Beri and Ria are pulling a wagon, the force exerted by Beri is 45N and the force exerted by Ria is 12N. If the two girls are pulling on the same direction, what is the net force?
540N
3.75N
33N
57N
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
10 m/s
1000 m/s
100 seconds
10 seconds
Distance formula
S X T
T X S
T/D
D/T
Describe the motion in the graph:
Constant Speed (positive slope)
Stopped (at rest)
Acceleration (increasing speed)
Return Home (negative slope)
Describe the motion in the graph:
Constant Speed (positive slope)
Stopped (at rest)
Acceleration (increasing speed)
Constant speed (negative slope)
Electrical → Mechanical → Sound
Which device were the students most likely observing?
Chemical to radiant.
radiant to electrical.
Solar to thermal.
What energy conversions take place when you vigorously rub your hands together to warm them up?
friction => heat
chemical => thermal
mechanical => thermal
kinetic => chemical
What is the energy transformation of a solar panel operating?
radiant to Electrical
Chemical to radiant
Electrical to radiant
radiant to chemical
thermal to radiant
Rocks that are transformed into different rocks under intense heat and pressure are known as _____.
sedimentary rocks
volcanic rocks
igneous rocks
metamorphic rocks
Which layer contains convection currents?
outer core
inner core
mantle
lithosphere
Which is the correct order of the Earths layers?
inner core, outer core, mantle, crust
crust, inner core, outer core, mantle
crust, mantle, inner core, outercore
crust, mantle, outer core, inner core
What is the correct order of the layers from hottest to coolest?
crust, inner core, mantle, outer core
mantle, inner core, outer core, crust
inner core, outer core, mantle, crust
crust, mantle, outer core, inner core
The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as _______
convection.
continental drift.
subduction.
conduction.
Most geologists think that the movement of Earth’s plates is caused by _______
convection.
continental drift.
subduction.
conduction.
A place where two plates slip past each other, moving in opposite directions, is known as a _______
transform boundary
divergent boundary.
convergent boundary.
rift valley.
