A person that studies earthquakes is called a
chemist
sociologist
biologist
seismologist
Which of the following will not help you separate a mixture?
filtering
cutting
evaporation
heating
In what state of matter are the particles packed closely and vibrating in place
gas
liquid
plasma
solid
Which of these characteristics might a tree pass to its offspring?
broken branch
torn leaf
white flower
scar on its bark
How do plants reproduce
seeds or sprouts
roots and seeds
seeds or spores
spores and leaves
to sort things into groups
organism
organization
charting
classify
a mixture where one substance dissolves into another
chemical change
liquid
reaction
solution
What kind of material should you choose if you want to stop the flow of current?
insulator
conductor
enhancer
inhibitor
How are a bar magnet and electromagnet alike?
they both carry a current
they attract each other
they both generate electricity
They both have magnetic fields
Animals without a backbone
reptiles
invertebrates
mammals
vertebrates
Which is a beneficial microorganism?
algae that causes red tide
staph bacteria that causes boils
mold that produces penicillin
fungus that causes ringworm
Controls what comes into and leaves the cell
chloroplasts
cell wall
cytoplasm
cell membrane
An inherited physical trait is
more important than an acquired physical trait
A characteristic a living thing gets from its parents
a part of behavior
a characteristic a living thing gets during its lifetime
When matter changes state, it is a _______________ change
physical
chemical
reaction
solid
Which statement is true?
Both plants and animals have acquired characteristics
both plants and animals have learned behaviors
only smart animals have instincts
only simple animals have instincts
a living thing is also called a(n)
organism
atom
cell
neutron
Which would NOT make a good insulator?
cotton
plastic
metal
rubber
The basic unit of structure and function is the
electron
cell
nucleus
atom
Which statement is true about plant cells?
Plant cells have no nucleus
plant cells are unicellular
Cell membrane of a plant cell is surrounded by a cell wall
Cytoplasm in the chloroplast makes food for the cell
Which statement is true?
both plants and animals have learned behaviors
only smart animals have instincts
only simple animals have instincts
Both plants and animals have acquired characteristics
Matter without a definite volume or shape
liquid
solid
plasma
gas
Hairs stick to Kyle's comb. Why?
combing the hair caused them to lose their static charge
combing the hair gave it a charge that is opposite the comb
combing the hair gave it a charge that is like the comb
combing the hair caused the comb to lose its static charge
A pumpkin plant contains seeds. Which other plant contains seeds?
fern
pear tree
pine tree
moss
Which trait is not a physical trait?
scar on face
black eye
dimples
intelligence
Which group has the greatest number of animal species
mammals
invertebrates
protists
vertebrates
Which plant reproduces by spores
pear tree
moss
grape vine
pine tree
Which microorganism does a baker add to bread dough to make it rise?
phytoplankton
yeast
bacteria
penicillin
how is a plant cell different from an animal cell?
Plant cells are round and animal cells have a boxy appearanc
Animal cells have a cell wall and plant cells do not
Animal cells have a cell wall and chloroplasts
plant cells have chloroplasts and animal cells do not
What characteristic is shared by a goidfish, parrot, and snake?
they all have a backbone
they all have feathers
they all breathe with lungs
they all have constant body temperatures
What kind of change occurs when ice turns to water
physical
both chemical and physical
chemical
atomic
Which plant makes spores?
apple tree
pine tree
iris
fern
The change from a gas to a liquid
condensation
evaporation
melting
freezing
The change from a liquid to a gas
evaporation
boiling
condensation
melting
Which microorganism turns milk into yogurt?
bacteria
phytoplankton
yeast
algae
As ice melts into liquid water, its temperature
stays the same
increases
decreases
varies with the environment
Which is an acquired physical trait
black eye
kindness
dark skin
long arms
What would you expect to find in an electromagnet
a permanent magnet
a coil of wire
a device that uses electricity
two bar magnets
Which organelle is NOT found in an animal cell?
cell membrane
mitochondria
chloroplast
nuicleus
a change that creates a whole new substance
physical change
solution
chemical change
reaction
Which of the following is NOT found in both plant and animal cells
cytoplasm
cell membrane
nucleus
chloroplasts
Which demonstrates static electricity?
Bend a paperclip back and forth until it breaks and gets hot
You brush your hair on a cold dry day and it sticks out
Don't put your fingers in a socket or you'll get shocked
Use a charger to charge your batteries for your camera
Which would be the best choice for conducting electricity through a circuit?
copper wire
plastic cord
pencil lead
wool yarn
A characteristic that is passed from parents to their offspring
acquired trait
instinctual action
inherited trait
learned behavior