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4th grade science review

Total questions: 77

Worksheet time: 2hrs 44mins

Name
Class
Date
1.

What is the main source of energy for the tomatoes in Mr. Smith's garden?

a)

Rain

b)

The Sun

c)

The Grass

d)

Soil

2.

In a science lab, you are given a rock and asked to find its mass. Which tool would you use?

a)

Graduated Cylinder

b)

Balance

c)

Hand Lens

d)

Bowl

3.

Which of the following is not alive?

a)

Cat

b)

Tree

c)

Flower

d)

Rock

4.

In a garden ecosystem, which of the following is a producer?

a)

tree

b)

rock

c)

turtle

d)

bird

5.

What provides humans with the energy that they need to survive?

a)

water

b)

food

c)

sunlight

d)

soil

6.

What is a nonliving thing that humans made?

a)

bird

b)

rocks

c)

house

d)

trees

7.

In a forest ecosystem, what role does a fungus play when it grows on a fallen tree?

a)

Uses photosynthesis to make food

b)

Takes in nutrients

c)

Breaks down dead organisms

d)

The grass

8.

During a warm summer day, what is the common liquid form of precipitation?

a)

sleet

b)

snow

c)

hail

d)

rain

9.

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?

a)

Increase

b)

Decrease

c)

Remain the same

10.

In a garden, which part of a rose plant is responsible for producing seeds and which part helps in making food?

a)

Roots and Leaves

b)

Roots and Stem

c)

Flower and Stem

d)

Flower and Leaves

11.

What role does the stem of a sunflower play for the plant?

a)

Supports the plant

b)

Makes food

c)

Makes seeds

d)

Takes in nutrients and water

12.

During a sunny day at the beach, what does the warmth you feel represent?

a)

various kinds of storms such as thunderstorms, hurricanes, and tornadoes

b)

measures air pressure

c)

the measure of the amount of heat energy in the atmosphere

d)

measures wind speed

13.

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?

a)

weathering

b)

erosion

c)

deposition

d)

jackhammering

14.

In a garden ecosystem, what role does a rabbit play?

a)

Consumer

b)

Producer

c)

Decomposer

15.

In a forest ecosystem, what role do bacteria and mold play?

a)

Producer

b)

Decomposer

c)

Consumer

16.

In a garden ecosystem, what role does an Orange Tree play?

a)

Producer

b)

Consumer

c)

Decomposer

17.

What does a cow, an example of an herbivore, primarily eat?

a)

meat

b)

plants

c)

insects

d)

fish

18.

Bears are considered as 

a)

herbivores 

b)

carnivores 

c)

omnivores 

19.

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?

a)

herbivore 

b)

carnivore 

c)

omnivore 

20.

In the African savannah, animals that are food for lions are called ____.

a)

predators

b)

bait

c)

prey

d)

stewards

21.

A forest is the space that surrounds a deer living in it.

a)

environment

b)

community

c)

consumer

d)

food chain

22.

In areas that are cool and rainy, plants in this habitat change with all four seasons.

a)

Marshland

b)

Desert

c)

Deciduous Forest

d)

Rainforest

23.

_______________ all the populations, such as plants and animals living together in the Amazon rainforest.

a)

community

b)

environment

c)

food chain

d)

habitat

24.

A forest is a _______________ for many animals and plants, where they live and grow naturally.

a)

decomposer

b)

producer

c)

population

d)

habitat

25.

____________________ is warm and very wet, plants grow in layers.

a)

community

b)

Deciduous forest

c)

Rainforest

d)

environment

26.

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.

a)

marshland

b)

tropical rain forest

c)

desert

d)

deciduous forest

27.

A _________________ of pandas living in the same bamboo forest

a)

community

b)

habitat

c)

environment

d)

population

28.

During a science experiment, students are required to record temperatures in both degrees Celsius and Fahrenheit. Which instrument should they use?

a)

Microscope

b)

Double Pan Balance

c)

Compass Rose

d)

Thermometer

29.

Imagine you are an astronaut looking down at Earth from space. What layer of Earth are you directly observing?

a)

The crust

b)

The mantle

c)

The outer core

d)

The inner core

30.

During a journey to the center of the Earth, what is the name of the Earth's innermost layer that you would encounter last?

a)

The crust

b)

The mantle

c)

The outer core

d)

The inner core

31.

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?

a)

Igneous rock

b)

Sedimentary rock

c)

Metamorphic rock

d)

Lava rock

32.

During a volcanic eruption, which layer of the Earth is the molten rock coming from?

a)

The crust

b)

The mantle

c)

The outer core

d)

The inner core

33.

During a year, the reason why some regions experience warmer temperatures while others experience colder temperatures is:

a)

the rotation of the Earth around the Sun

b)

the distance of the Earth from the Sun

c)

the tilt of the Earth on its axis

d)

the phases of the Moon

34.

All of the land drained by a river, such as the area surrounding the Nile River, is called a:

a)

waterbar

b)

waterland

c)

watershed

d)

waterarea

35.

Which is the most important natural resource to Virginia

a)

rocks

b)

forests

c)

lumber

d)

oil

36.

Which is NOT a quantitative measurement?

a)

he is 6 feet tall

b)

she weighs 108 pounds

c)

she has blonde hair

d)

he scored a 565 on the SOL test

37.

Which is NOT a qualitative measurement?

a)

the coffee tasted bitter

b)

the rock felt smooth

c)

the board was 2 inches thick

d)

the desk was made of pine wood

38.

In baking a cake, some ingredients need to stay the same to ensure consistency. We call these ingredients:

a)

constants

b)

variables

39.

How do meteorologists predict the weather to better understand atmospheric conditions?

a)

They identify weather patterns and then try to forecast future conditions.

b)

They conduct research using satellite data and historical weather information.

c)

They formulate their predictions based on atmospheric data.

40.

How do scientists study climate change?

a)

By analyzing temperature data and climate models.

b)

Asking the neighbor.

c)

Writing what they believe is true.

41.

After conducting an experiment on plant growth under different light conditions, what do scientists do when they draw conclusions?

a)

Summarize what they have learned about light's effect on plant growth and share the information.

b)

Throw away your results.

c)

Make a drawing of the whole experiment process.

42.

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?

a)

Ask a question

b)

Draw conclusions

c)

Make a hypothesis

43.

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?

a)

Draw a conclusion

b)

Do the experiment

c)

Make a hypothesis

44.

After observing that plants in your garden grow better in certain locations, what is the Second step of the scientific method you should follow?

a)

Make a hypothesis about why some locations are better than others

b)

Make an observation about the different growth patterns

c)

Analyze your results after experimenting with plant locations

45.

During a school science fair project, what is the Fourth step after observing plants growing at different light exposures?

a)

Do the experiment with various light conditions

b)

Ask a question about how light affects plant growth

c)

Make an observation of plants under different light exposures

46.

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?

a)

Analyze your results

b)

Draw conclusions

c)

Do the experiment

47.

After conducting an experiment to determine if fertilizer increases plant growth, what is the Sixth and Last step of the scientific method?

a)

Draw a conclusion

b)

Make an observation

c)

Ask a question

48.

When a meteorologist predicts the weather, they are ___.

a)

dreaming

b)

comparing

c)

thinking about what may happen

d)

knowing that a certain thing will not happen

49.

In an experiment to find out which fertilizer makes plants grow faster, what is the one thing that scientists can change?

a)

type of fertilizer

b)

type of plant

c)

amount of water

d)

amount of sunlight

50.

A testable statement that tries to explain why plants in a garden grow taller when they receive more sunlight is called a ___ in science.

a)

variable title

b)

conclusion/end

c)

hypothesis

d)

communication

51.

Imagine you're an astronaut counting the planets as you journey through our solar system. How many planets do you count?

a)

5

b)

10

c)

8

d)

9

52.

Which phase of the water cycle involves rain, snow, sleet or hail falling from the sky?

a)

evaporation

b)

precipitation

c)

condensation

d)

transpiration

53.

Which of these is NOT a part of weather?

a)

volcanoes

b)

temperature

c)

precipitation

d)

wind

54.

Which of these is NOT an example of an ecosystem?

a)

ocean

b)

city

c)

rainforest

d)

desert

55.

What is the function of the roots of a plant?

a)

provide shade

b)

pull nutrients and water from the soil

c)

make food through photosynthesis

d)

to support the plant

56.

The process of liquid turning to gas is?

a)

evaporation

b)

condensation

c)

runoff

d)

precipitation

57.

The dropping of sediments to a new place is?

a)

erosion

b)

deposition

c)

runoff

d)

weathering

58.

The breaking down of rock is called?

a)

erosion

b)

depostion

c)

runoff

d)

weathering

59.

The green pigment that plants use for photosynthesis is called _________________________.

a)

chlorine

b)

chlorophyll

c)

chloroplast

60.

Plants use chlorophyll, water, sunlight and _____________________ to produce their food.

a)

carbon dioxide

b)

oxygen

c)

sodium

61.

What gas to plants release during photosynthesis?

a)

carbon dioxide

b)

oxygen

c)

sodium

62.

The process by which pollen is transferred from the stamen to the pistil of a flower is called ________________________.

a)

photosynthesis

b)

pollination

c)

polygon

63.

All the organisms of the same species that live in the same place at the same time are a ______________________.

a)

community

b)

ecosystem

c)

population

64.

Which of these is the correct order of energy flow in an ecosystem?

a)

producers - sun - consumers - decomposers

b)

sun - decomposers - producers - consumers

c)

sun - producers - consumers - decomposers

65.

In a food chain, the arrow points to ____________________.

a)

the organism doing the eating

b)

the organism who is eaten

66.

The function or role that an organism performs in the food web of its community is called its _________________.

a)

adaptation

b)

niche

c)

energy

67.

_____________ clouds are fluffy and white with flat bottoms. They usually indicate fair weather.

a)

cirrus

b)

cumulonimbus

c)

cumulus

d)

stratus

68.

Large, dark clouds that may produce thunderstorms are _____________________ clouds. They are called, "thunderheads."

a)

cirrus

b)

cumulonimbus

c)

cumulus

d)

stratus

69.

__________________ 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.

a)

cirrus

b)

cumulonimbus

c)

cumulus

d)

stratus

70.

__________________ clouds are feathery clouds. They are associated with fair weather. These clouds often indicate that rain or snow will fall within several hours.

a)

cirrus

b)

cumulonimbus

c)

cumulus

d)

stratus

71.

___________ pressure air masses are associated with clear skies and light winds.

a)

high

b)

low

72.

___________________ is the weather of a given area averaged over an extended period of time (years).

a)

forecast

b)

climate

c)

meteorology

73.
What are the three motions of the ocean?
a)
continental shelf, continental rise, continental slope
b)
waves, tides, currents
74.
Surface currents are caused by ___________.
a)
temperature and salinity
b)
wind
75.
a)
continental rise
b)
continental slope
76.
Where can a lot of the animals in the ocean be found?
a)
continental shelf
b)
abyssal plain
77.
TRUE or FALSE
As depth increases temperature also increases.
a)
TRUE
b)
FALSE