Worksheets4th grade science review
Total questions: 77
Worksheet time: 2hrs 44mins
What is the main source of energy for the tomatoes in Mr. Smith's garden?
Rain
The Sun
The Grass
Soil
In a science lab, you are given a rock and asked to find its mass. Which tool would you use?
Graduated Cylinder
Balance
Hand Lens
Bowl
Which of the following is not alive?
Cat
Tree
Flower
Rock
In a garden ecosystem, which of the following is a producer?
tree
rock
turtle
bird
What provides humans with the energy that they need to survive?
water
food
sunlight
soil
What is a nonliving thing that humans made?
bird
rocks
house
trees
In a forest ecosystem, what role does a fungus play when it grows on a fallen tree?
Uses photosynthesis to make food
Takes in nutrients
Breaks down dead organisms
The grass
During a warm summer day, what is the common liquid form of precipitation?
sleet
snow
hail
rain
Sam leaves a glass of water with an ice cube in it on the kitchen table. What will happen to the water level in the glass when the ice cube melts?
Increase
Decrease
Remain the same
In a garden, which part of a rose plant is responsible for producing seeds and which part helps in making food?
Roots and Leaves
Roots and Stem
Flower and Stem
Flower and Leaves
What role does the stem of a sunflower play for the plant?
Supports the plant
Makes food
Makes seeds
Takes in nutrients and water
During a sunny day at the beach, what does the warmth you feel represent?
various kinds of storms such as thunderstorms, hurricanes, and tornadoes
measures air pressure
the measure of the amount of heat energy in the atmosphere
measures wind speed
Imagine walking through a forest and observing rocks with surfaces that seem to be peeling off or breaking apart. What natural process is primarily responsible for this phenomenon on Earth's surface?
weathering
erosion
deposition
jackhammering
In a garden ecosystem, what role does a rabbit play?
Consumer
Producer
Decomposer
In a forest ecosystem, what role do bacteria and mold play?
Producer
Decomposer
Consumer
In a garden ecosystem, what role does an Orange Tree play?
Producer
Consumer
Decomposer
What does a cow, an example of an herbivore, primarily eat?
meat
plants
insects
fish
Bears are considered as
herbivores
carnivores
omnivores
Imagine you are on a safari and observing animals. You notice a group that exclusively hunts and eats other animals. These animals are known as?
herbivore
carnivore
omnivore
In the African savannah, animals that are food for lions are called ____.
predators
bait
prey
stewards
A forest is the space that surrounds a deer living in it.
environment
community
consumer
food chain
In areas that are cool and rainy, plants in this habitat change with all four seasons.
Marshland
Desert
Deciduous Forest
Rainforest
_______________ all the populations, such as plants and animals living together in the Amazon rainforest.
community
environment
food chain
habitat
A forest is a _______________ for many animals and plants, where they live and grow naturally.
decomposer
producer
population
habitat
____________________ is warm and very wet, plants grow in layers.
community
Deciduous forest
Rainforest
environment
Imagine you're planning a trip to a location known for its extreme weather conditions, which can range from scorching heat to freezing cold, but receives very little rainfall.
marshland
tropical rain forest
desert
deciduous forest
A _________________ of pandas living in the same bamboo forest
community
habitat
environment
population
During a science experiment, students are required to record temperatures in both degrees Celsius and Fahrenheit. Which instrument should they use?
Microscope
Double Pan Balance
Compass Rose
Thermometer
Imagine you are an astronaut looking down at Earth from space. What layer of Earth are you directly observing?
The crust
The mantle
The outer core
The inner core
During a journey to the center of the Earth, what is the name of the Earth's innermost layer that you would encounter last?
The crust
The mantle
The outer core
The inner core
While hiking through a canyon, you notice layers of rock along the walls. In which type of these rocks are you most likely to find a fossil?
Igneous rock
Sedimentary rock
Metamorphic rock
Lava rock
During a volcanic eruption, which layer of the Earth is the molten rock coming from?
The crust
The mantle
The outer core
The inner core
During a year, the reason why some regions experience warmer temperatures while others experience colder temperatures is:
the rotation of the Earth around the Sun
the distance of the Earth from the Sun
the tilt of the Earth on its axis
the phases of the Moon
All of the land drained by a river, such as the area surrounding the Nile River, is called a:
waterbar
waterland
watershed
waterarea
Which is the most important natural resource to Virginia
rocks
forests
lumber
oil
Which is NOT a quantitative measurement?
he is 6 feet tall
she weighs 108 pounds
she has blonde hair
he scored a 565 on the SOL test
Which is NOT a qualitative measurement?
the coffee tasted bitter
the rock felt smooth
the board was 2 inches thick
the desk was made of pine wood
In baking a cake, some ingredients need to stay the same to ensure consistency. We call these ingredients:
constants
variables
How do meteorologists predict the weather to better understand atmospheric conditions?
They identify weather patterns and then try to forecast future conditions.
They conduct research using satellite data and historical weather information.
They formulate their predictions based on atmospheric data.
How do scientists study climate change?
By analyzing temperature data and climate models.
Asking the neighbor.
Writing what they believe is true.
After conducting an experiment on plant growth under different light conditions, what do scientists do when they draw conclusions?
Summarize what they have learned about light's effect on plant growth and share the information.
Throw away your results.
Make a drawing of the whole experiment process.
Imagine you're observing the stars at night and wonder why some are brighter than others. What is the First step of the scientific method in this scenario?
Ask a question
Draw conclusions
Make a hypothesis
Imagine you're a scientist studying the effects of sunlight on plant growth. What is the Third step of the scientific method in this context?
Draw a conclusion
Do the experiment
Make a hypothesis
After observing that plants in your garden grow better in certain locations, what is the Second step of the scientific method you should follow?
Make a hypothesis about why some locations are better than others
Make an observation about the different growth patterns
Analyze your results after experimenting with plant locations
During a school science fair project, what is the Fourth step after observing plants growing at different light exposures?
Do the experiment with various light conditions
Ask a question about how light affects plant growth
Make an observation of plants under different light exposures
Imagine you are conducting an experiment to determine which fertilizer leads to the fastest plant growth. What is the fifth step of the scientific method in this context?
Analyze your results
Draw conclusions
Do the experiment
After conducting an experiment to determine if fertilizer increases plant growth, what is the Sixth and Last step of the scientific method?
Draw a conclusion
Make an observation
Ask a question
When a meteorologist predicts the weather, they are ___.
dreaming
comparing
thinking about what may happen
knowing that a certain thing will not happen
In an experiment to find out which fertilizer makes plants grow faster, what is the one thing that scientists can change?
type of fertilizer
type of plant
amount of water
amount of sunlight
A testable statement that tries to explain why plants in a garden grow taller when they receive more sunlight is called a ___ in science.
variable title
conclusion/end
hypothesis
communication
Imagine you're an astronaut counting the planets as you journey through our solar system. How many planets do you count?
5
10
8
9
Which phase of the water cycle involves rain, snow, sleet or hail falling from the sky?
evaporation
precipitation
condensation
transpiration
Which of these is NOT a part of weather?
volcanoes
temperature
precipitation
wind
Which of these is NOT an example of an ecosystem?
ocean
city
rainforest
desert
What is the function of the roots of a plant?
provide shade
pull nutrients and water from the soil
make food through photosynthesis
to support the plant
The process of liquid turning to gas is?
evaporation
condensation
runoff
precipitation
The dropping of sediments to a new place is?
erosion
deposition
runoff
weathering
The breaking down of rock is called?
erosion
depostion
runoff
weathering
The green pigment that plants use for photosynthesis is called _________________________.
chlorine
chlorophyll
chloroplast
Plants use chlorophyll, water, sunlight and _____________________ to produce their food.
carbon dioxide
oxygen
sodium
What gas to plants release during photosynthesis?
carbon dioxide
oxygen
sodium
The process by which pollen is transferred from the stamen to the pistil of a flower is called ________________________.
photosynthesis
pollination
polygon
All the organisms of the same species that live in the same place at the same time are a ______________________.
community
ecosystem
population
Which of these is the correct order of energy flow in an ecosystem?
producers - sun - consumers - decomposers
sun - decomposers - producers - consumers
sun - producers - consumers - decomposers
In a food chain, the arrow points to ____________________.
the organism doing the eating
the organism who is eaten
The function or role that an organism performs in the food web of its community is called its _________________.
adaptation
niche
energy
_____________ clouds are fluffy and white with flat bottoms. They usually indicate fair weather.
cirrus
cumulonimbus
cumulus
stratus
Large, dark clouds that may produce thunderstorms are _____________________ clouds. They are called, "thunderheads."
cirrus
cumulonimbus
cumulus
stratus
__________________ clouds are smooth, gray clouds that cover the whole sky (and block out direct sunlight). Light rain and drizzle are usually associated with these clouds.
cirrus
cumulonimbus
cumulus
stratus
__________________ clouds are feathery clouds. They are associated with fair weather. These clouds often indicate that rain or snow will fall within several hours.
cirrus
cumulonimbus
cumulus
stratus
___________ pressure air masses are associated with clear skies and light winds.
high
low
___________________ is the weather of a given area averaged over an extended period of time (years).
forecast
climate
meteorology
As depth increases temperature also increases.
