أوراق عمل الوحدة الثانية علوم منهج انجليزي صف رابع : نقدم اليكم في هذا الملف مجموعة من أوراق العمل الهامة والتي تتضمن عدد من الاسئلة والتدريبات الشاملة ، من منهج علوم الصف الرابع ، ايضا، وقد تم تصميم هذا الملف لمساعدة طلابنا الاعزاء، في دراستهم و تحضيرهم للامتحان النهائي بشكل متكامل.
SCIENCE GRADE 4-Test prep Chapter 2 - Kingdoms of Life
Cells
. Which of these parts is only in plant cells
A. Mitochondrion
B. Chloroplast
C. Cell membrane
D. Chromosome
. Most cells
A. Are shaped like boxes
B. Have tiny vacuoles
C. Do the same job
D. Are round Classifying Living Things
. Which statement about the number of species is true
A. Kingdoms contain the most
B. A phylum contains the most
C. Orders have the fewest
D. Kingdoms have the fewest
. All the organisms in this kingdom make their own food
A. Fungi
B. Protists
C. Bacteria
D. Plants
. Which one is NOT a microorganism
A. Archaea
B. Protest
C. Fern
D. Bacteria
. In some ways mushrooms are similar to plants. What makes mushrooms different from plants
A. Mushrooms cannot make their own food
B. Mushrooms cannot reproduce
C. Mushrooms cells do not have cell walls
D. Mushroom cells do not have a nucleus
. What is true of all living things
A. They have tissues
B. They can move
C. They use energy
D. They change shape
. Which of these do your cells contain
A. Cell wall
B. Chlorophyll
C. Chloroplast
D. Cytoplasm
. The following chart shows how a lion is classified. Phylum Chordate
Mammalia Order Carnivora Family Felidae Genius Panther
Lion
What words are missing in the chart? What do these words describe
. An important group used to classify living things is missing from this chart. What is it? How would you classify the lion in this group
Chapter 3 - The Animal Kingdom Systems in animals
. The stomach is part of which body system
A. Digestive
B. Nervous
C. Skeletal
D. Circulatory
. The excretory system
A. take sin oxygen
B. supports the muscular system
C. breaks down food
D. gets rid of wastes
Animal Life Cycles Which animal's metamorphosis has a pupa stage
A. Frog
B. Damselfly
C. Butterfly
D. Grasshopper
. The hydra's offspring will most likely have
A. None of the parent's traits
B. Some of the parent's traits
C. Half of the parent's traits
D. All of the parent's traits
. In animals, which system is responsible for communication within the body
A. Respiratory system
B. Digestive system
C. Skeletal system
D. Nervous system
Chapter 4 - Adaptations and Survival Change over time
. Which results from organisms changing over time
A. Changes in the environment
B. Diversity of species
C. Inherited traits
D. Mutations
Animal Senses
. Animals use their senses to help with
A. Finding food
B. Building homes
C. Growth
D. Using energy
Plants adaptation with their surroundings
. Which word describes a plant's response to its environment
A. Tropical
B. Tropism
C. Gravity
D. Stimulus
Changes in ecosystems
. Which of these are natural events that change ecosystems
A. Flood, pollution, deforestation
B. Earthquake, overpopulation, fire
C. Hurricane, flood, landslide
D. Farming, recycling, overpopulation
. In a northern region, the population of a type of goose varies in the course of a year. What most likely explains this variation
A. Extinction
B. Hibernation
C. Accommodation
D. Migration
. Porcupines have long, sharp hairs called quills. What is the main function of the quills on the porcupine
A. To find shelter
B. To stay cool
C. To find food
D. To protect itself
. Which of the following is an example of camouflage
A. A desert fox has large ears
B. A bird's colour matches its surroundings
C. A camel closes its nostrils to keep out sand
D. A chipmunk sleeps for most of the winter
. A squirrel is born with white fur instead of the normal
gray fur colour. How would environmental conditions have to change to increase this squirrel's chance of survival
A. A city dump is built nearby
B. Volcanic ash covers the forest
C. The climate gets cold enough to snow
D. An earthquake causes a landslide
. An environment suddenly becomes colder. Which
adaptation would most likely give some animals a better chance of survival than others
A. Long tails
B. Long ears
C. Small eyes
D. Thick fur coats
. Which human activity most likely has a negative impa
on the environment
A. Recycling notebook paper
B. Conserving resources
c. Releasing waste into a river
D. Creating compost piles
. The data table below shows the population of four different species of snails
Snail Population Sizes
Year 1995 Year 2005 Year 2015 Species ! 2,000 2,500 2,300 Species 2 2,000 300 1,200 Species 3 2,000 2,700 3,400 Species 4 2,000 700 100
Which species will most likely go extinct? A. Species 1
B. Species 2
C. Species 3
D. Species 4
. A law is passed to protect endangered species. What is the law expected to do
A. Make organisms extinct
B. Make organisms endangered
C. Allow more pollution
D. Prevent organisms from becoming extinct Answer the following questions
A student made this table for her science class
Monarch butterfly Migration Northern black bear Hiberation
Mimicry cactus
. What would be a good heading for her table. Complete
A and B in the table above
. If there were another row, what two items could you
place in the table? Explain
The Health of Living Things Choosing Healthful Foods
. Foods in the grains group are made mostly of
A. Proteins
B. Starches
C. Fats and oils
D. Vitamins and minerals
. A balanced diet includes foods from
A. Milk and meat groups only
B. Milk and grain products only
C. Any three food groups
D. All food groups
. How could you increase your physical fitness
A. Eat food high in sugar
B. Practice good hygiene
C. Eat a balanced diet
D. Exercise daily
. Which two foods should make up most of a sample meal
A. Pasta and Broccoli
B. Chicken and Eggs
C. Milk and Apples
D. Exercise daily
34. Which two foods should make up most of a sample meal
A. Pasta and Broccoli
B. Chicken and Eggs
C. Milk and Apples
D. Chips and Cookies
Staying Healthy, Fit and Safe Look at the table below. Circle the row that shows the most balanced diet. Breakfast Lunch
Dinner
A eggs and hash brownsbe how beef sandwich, potato
lalo beef burger and cake chips
beef sandwich, chicken and noodles
B oatmeal, eggs, melon
carrots, milk
peas
C cereal and donut
pizza
pizza
D fruit cup carrots, banana, green
salad and apple beans
. How does good hygiene help keep you healthy
A. It helps you feel good about yourself
B. It improves your appearance
c. It stops germs from spreading
D. It is part of a balanced diet
. Nasser wants to lose weight and become more