Worksheets180 Days of Science (4th Grade)
Total questions: 55
Worksheet time: 34mins
What part of a fossil tells you it is a vertebrate?
shell
backbone
muscles
stem
Animals that live on land are called:
mammals
land-lovers
aquatic
terrestrial
Leaves are important to a plant because:
keep the plant from falling over
help the plant make food
protect plant from bugs
produce seeds
What part of the plant drinks water?
leaves
root
stem
flower
A nocturnal animal sleeps:
in the day
in the night
hibernates
What kind of bird can hover in one place?
hawk
hummingbird
duck
albatross
Which bone is part of the lower leg?
femur
tibia
metatarsals
phalanges
What is this?
(a)
Which part of the fish absorbs oxygen?
gill filaments
mouth
lungs
fin flaps
Which part of the human eye converts light into electrical signals?
pupil
retina
iris
cornea
What organ in a dog processes smell?
olfactory bulb
nostril
Jacobson's organ
ears
What can dogs hear that humans cannot?
loud sounds
high-pitch sound
music
echoes
Which animal plants new trees?
woodpecker
squirrel
beaver
gopher
What is a swirling mass of clouds and wind on land called?
tornado
hurricane
typhoon
tsunami
If something is moving fast, what kind of energy does it have?
potential
kinetic
thermal
chemical
What is potential energy?
movement
stored energy
radiation
heat
What is a filament?
wire
glass
electricity
heat
What type of energy is created by a heat lamp?
Select ALL correct.
heat
light
chemical
treble
atomic
What part of the radio speaker amplifies the sound waves?
cone
power cord
electromagnet
case
What creates sound waves?
(a)
uses electricity
television
does NOT use electricity
tree
uses human power
flute
Which does NOT convert electrical energy into heat?
toaster
light bulb
headphones
hair dryer
The faster something is moving, the (a) energy it will transfer.
Which properties of an object affect its energy transfer?
speed and size
speed and weight
weight and color
weight and temperature
What kind of light bulb is most efficient?
fluorescent
LED
CFL
incadescent
The top of a wave is a ______.
crest
amplitude
trough
boats
What are letters in Morse Code?
dots and dashes
spots and lines
arrows and marks
crosses and circles
Mirrors (a) images and light.
What are the large masses of rock that move on the Earth's crust?
fault lines
tectonic plates
earthquakes
seismographs
The layers of Earth's surface are called:
strata
diggers
soil
sections
Marble, slate and quartz are examples of what kind of rock?
igneous
sedimentary
roll
metamorphic
Which organism is fossilized by carbonization?
dinosaur
sabre-toothed tiger
fern
fish
(a) is when layers of Earth's surface are worn away.
The Colorado River flows through which natural wonder?
(a)
Where is wind erosion common?
forests
deserts
grasslands
oceans
In which state are most of America's volcanoes?
Alaska
Washington
Virginia
Oregon
What kind of fish is this?
They swim upriver to lay their eggs where they were born.
tuna
salmon
fishface
shark
Tsunamis are a:
giant wave
huge volcano
enormous earthquake
nasty infection
What animal might this bone belong to?
bird
dog
human
dinosaur
Which is an example of humans changing the world?
tornado
hurricane
pollution
deforestation
This natural substance that is all over Earth exists in gaseous, liquid, and solid states.
(a)
The hardened remains of a living thing that died long ago.
fossil
extinct
endangered
minerals
In which type of rock are most fossils found?
sedimentary rock
metamorphic rock
igneous rock
fossils
Use safety (a) to keep your eyes safe.
What part of the carrot plant do people eat?
leaves
root
stem
flower
Which bone is the longest?
tibia
femur
fibula
patella
Which item uses electrical energy to create thermal energy?
blanket
space heater
fan
DVD player
What happens when objects collide?
They speed up.
They change directions.
They slow down.
All 3 effects happen.
What causes an earthquake?
a fault stops moving
a seismograph records motion
a fault suddenly slips
a strong storm
(a) are huge waves that often occur after earthquakes or volcanic eruptions in the ocean.
What is this?
(Hint: two words)
(a)
(a) are built across streams or rivers to provide drinking water, energy, and prevent flooding.
Topographic (a) show us the shape of Earth's surface and show a more realistic view of the landscape.
What kind of scientist is this?
paleontologist
astronomer
physicist
herpetologist
