WorksheetsMr. Bemisdarfer 7th Grade Semester Study Quide
Total questions: 28
Worksheet time: 18mins
Speed is _____ in _____ over a specific amount of time
Change, distance
miles an hour
distance, change
average, time
Average speed is; the total _______ over total ______
(a)
Velocity is just like speed, with what?
Wind resistance
unbalanced force
rocket propulsion
direction
Acceleration is _____ in speed over time
difference
Change
total amount of speed
veloctiy
Unbalanced forces causes no motion
False
True
The force equation is
S=D/T
D total/T total
F=MA
A=S/T
Friction is caused when two objects rub against eachother, causing them to speed up
True
False
An object stays in motion until acted upon by an outside force. Object stays at rest until acted upon by an outside force
Newtons 1st Law
Newtons 3rd Law
Newtons 2nd Law
Every Action has an equal and opposite reaction
Newtons 3rd Law
Newtons 1st Law
Newtons 2nd Law
F=MA (Force = Mass x Acceleration)
Newtons 1st Law
Newtons 2nd Law
Newtons 3rd Law
Smallest structural and functional unit of an organism
DNA
Cell
Nucleus
Chromosomes
Somatic cells are found anywhere in the body except in the testes and ovaries
True
False
Meiosis is...
Cell divison of Somatic cells sexually
Cell divison of Germ cells asexually
Cell division of Somatic cells asexually
Cell division of Germ cells sexually
Spindle Fibers do what in cell divison?
Cross over
Control the movement and seperatio of chromosmes
Do the diggy
holds the two chromatids together
Membrane organelles are found in ______ Cells
Eukaryotic cells
Prokaryotic cells
Plant and Animal cells
Waves are a disturbance that transfers _____ place from place
sound
energy
cells
Energy is the abiltiy to do ____
Work
turn on the TV
Think
Play
(a) Waves have crests and Troughs
(a) Waves have compressions and rarefactions
A medium is
Solid
Liquid
Gas
Vacuum
Rarefactions are when particles in a wave are closest together
False
True
(a) is vibrations that travel through a medium that can be "picked up" by your eardrums. Travel in a longitudinal wave
How much matter is in a given space
Density
Tempature
Pitch
Frequency
The warmer the atmosphere the more quickly sound can travel
True
False
The Phases of Cell divison are (In order)
Anaphase, Metaphase, Prophase, Telophase
Telophase, Metaphase Anaphase, Prophase
Prophase, Metaphase, Anaphase, Telophase
Prophase, Metaphase, Telophase, Anaphase
Crossing over occurs in
Mitosis
Meiosis
Both
Mechanical waves do not have to travel through a medium
False
True
Describe the Doppler Effect (1 minute)
