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4th grade Science Yearly Review Part 1

Total questions: 53

Worksheet time: 27mins

Name
Class
Date
1.

Scientists start with a _____________. This is what they want to find out.

a)

hypothesis

b)

experiment

c)

conclusion

d)

question

2.

After they ask a question, scientists make a good guess. This is called the ____________________.

a)

hypothesis

b)

question

c)

conclusion

d)

data

3.

A test to see if your hypothesis is correct is called _____________.

a)

conclusion

b)

data

c)

question

d)

experiment

4.
When you use your five senses to determine the physical properties of an object.
a)
Data
b)
Hypothesis
c)
Conclusion
d)
Observation
5.

A dishwasher is is an example of something that makes a family's life easier and is a kind of ...

a)

technology

b)

helper

c)

cure

d)

hindrance

6.

The Johnson family decided to purchase a new vehicle. An important feature they searched for was four-wheel drive, because four-wheel drive works well in snow. Why is the invention of four-wheel drive a kind of technology?

a)

It solves the problem of increasing vehicle size.

b)

It meets the needs of drivers.

c)

It protects the environment.

d)

It decreases safety.

7.

What is the MAIN goal of the design process?

a)

to find solutions to problems

b)

to give scientists something to do

c)

to make charts and graphs

d)

to write articles for magazines

8.

True or False: All plants produce flowers.

a)

True

b)

False

9.
Which part of a plant is this?
a)
Leaf
b)
Stem
c)
Roots
d)
Fruit
10.

Seeds can move from one place to another by

a)

wind

b)

water

c)

animals

d)

wind, water, and animals

11.

This part of the plant produces seeds and creates pollen.

a)

roots

b)

flower

c)

stem

d)

leaves

12.

What is it called when seeds move from one place to another?

a)

germination

b)

seed dispersal

c)

life cycle

d)

seedling

13.
Which is a function of the roots?
a)
absorb sunlight
b)
start photosynthesis
c)
pull nutrients from the soil
d)
turn gray when they get old
14.
What is the main role of photosynthesis?
a)
to make a plant green
b)
to make food for the plant
c)
to make music for the plant
d)
to take pictures of the plant
15.
Why do trees grow so tall?
a)
They are naturally big plants.
b)
They are competing for sunlight.
c)
Their roots can soak up lots of water to make them grow tall.
16.
What is the substance in plants that make them green?
a)
stigma
b)
carbon dioxide
c)
photosynthesis
d)
chlorophyll
17.
Mosses, liverworts, and hornworts are ___ plants.
a)
nonvascular
b)
vascular
18.
Nonvascular plants usually grow in:
a)
damp, shady areas
b)
deserts
c)
arctic regions
d)
sunny fields
19.
Xylem and phloem are found in 
a)
all vascular plants
b)
all nonvascular plants
c)
all plants
d)
all mosses
20.
Which of these is not a plant?
a)
evergreen
b)
flower
c)
wheat 
d)
mushroom
21.
Scientists classify animals by their...
a)
Color
b)
Size
c)
Characteristics
d)
Sound
22.
Animals that have backbones are...
a)
Vertebrates
b)
Invertebrates
c)
Mollusk
d)
Lobster
23.
Invertebrates do not have backbone, but they could have an...
a)
Wings
b)
Shell
c)
Exoskeleton
d)
Mouth
24.
Cold blooded animals with scaly dry skin are...
a)
Fish
b)
Reptiles
c)
Amphibians
d)
 Mammals
25.
Warm blooded animals that feed their babies with milk....
a)
Mammals
b)
Birds
c)
Insects
d)
amphibians
26.
Vertebrates that spend part of their lives in water and part of their lives on land....
a)
Mollusk
b)
Amphibians
c)
Mammals
d)
Fish
27.
Vertebrates that have fins to move and gills to breathe....
a)
Fish
b)
Amphibians
c)
Platypus
d)
Insects
28.
How are vertebrates and invertebrates alike?
a)
They fly
b)
They have backbones
c)
They don't have backbones
d)
They reproduce
29.
The ________ of the fish allow it to take in oxygen.
a)
fins
b)
gills
c)
scales
d)
lungs
30.
A sand dollar is an invertebrate. It does not have a backbone. What organism is most like a sand dollar?
a)
shark
b)
lizard
c)
starfish
d)
ray
31.

Having brown fur is a(n)________ trait of an animal

a)

learned

b)

inherited

c)

developed

d)

behavioral

32.

Many young animals learn how to get food by watching their parents.

a)

True

b)

False

33.

Animals that consume only meat are called

a)

herbivores

b)

omnivores

c)

carnivores

34.

Animals that consume only plants are called

a)

herbivores

b)

carnivores

c)

omnivores

35.

Animals that consume both plants and meats are called

a)

herbivores

b)

carnivores

c)

omnivores

36.

Basic needs of animals

a)

water, parents, food, and climate

b)

water, food, oxygen, shelter, and climate

c)

food, carbon dioxide, shelter, and climate

d)

water,, climate, and shelter

37.

A terrestrial ecosystem is

a)

communities of living and non-living things on the land.

b)

variety of life.

c)

different types of plants, animals and flowers.

d)

communities of living and non-living things under water.

38.

Some examples of non-living things in the ecosystem are

a)

flowers and plants.

b)

frog and ducks.

c)

rocks and water.

d)

fish and grass.

39.

Taking into account the image, People can explain that it is an ecosystem because presents

a)

Variety of biodiversity such animals, plants and organisms.

b)

No-living environments like weather, sun, water and climate.

c)

Wonderful and touristic places.

d)

Communities of living and no- living things that work together.

40.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who
41.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
42.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
43.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
44.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
45.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
46.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
47.

Which of these is true about this food web?

a)

The Owl gets its energy from the producer.

b)

The Lion gets its energy only from a wild cat.

c)

The Kite gets its energy from the goat.

d)

The Mouse is most likely to eaten by several predators.

48.
What are the 3 major types of rocks?
a)
Igneous, Metamorphic, Sedimentary
b)
Metamorphic, Igneous, Cementation
c)
Brown, Red, Gray
d)
Streak, Hardness, Breakage
49.
This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?
a)
Sedimentary Rock
b)
Metamorphic Rock
c)
Igneous Rock
50.
This rock was formed when molten rock cooled into a solid. What type of rock is it?
a)
Igneous Rock
b)
Metamorphic Rock
c)
Sedimentary Rock
51.

The name of a person that studies rocks and the earth.

a)

veterinarian

b)

geologist

c)

podiatrist

d)

teacher

52.
When you watch a volcano erupt molten rock, you are seeing _____
a)
Lava
b)
Magma
c)
Mineral Crystals
d)
Igneous Rocks
53.
The process when rocks break into smaller pieces due to exposure to natural elements is called
a)
erosion
b)
weathering
c)
sediments