Science Material for ASTS 1_grade 4

SCIENCE MATERIALS FOR ASTS1

Grade 4

Chapter 1 : Bones and Muscles
Chapter 2 : Diseases
Chapter 3 : Energy from food
Chapter 4 : Different Habitat

Chapter 1 : Bones

Skull

​Ribs

​spine

​Pelvis

​Humerus

Femur

Multiple Choice

Which of the following is a backbone?

Multiple Choice

Which of the following will protect your brain?

Multiple Choice

Our bones Join together to form a skeleton.

Which of the following is NOT the function of your skeleton?

• Support our body

• Protect our organs

• Shape our body

• Help us to grow

Multiple Choice

This Jaw bone will help us to ____.

• chew our food

• walk around

• protect heart

• support intestines

​We have 2 types of muscles in our arm

BICEPS & TRICEPS

​Muscles always work in pairs

Chapter 1: Muscles

Multiple Select

which of the following shows that the biceps contract?

Choose more than one answer.

Fill in the Blank

Complete the sentence below.

When our biceps contract our triceps will ____.

Fill in the Blank

Complete the sentence below.

When our triceps contract the lower arm will ____.

Animals that have the skeleton outside their body

​Exoskeleton

• Animals that have a backbone/spine

• The skeleton is inside its body

Vertebrate

Chapter 1 : Animals skeleton

​No Skeleton

​Animals that don't have any skeleton

Invertebrate

Multiple Select

Animals that grouped into vertebrate are ____.

Choose more than one answer]

Fill in the Blank

Based on their skeleton, crab, lobster, butterfly and bee are grouped into ____ animals.

Multiple Select

Group of no skeleton animals are ____.

Choose more than one answer.

Chapter 2: Diseases

​Diseases is a condition in which our parts of body is not able to function well.

Infectious Diseases

• cough

• sneeze

• saliva

• touch

​Spread through

• virus

• bacteria

• parasites

• fungi

​Cause by germs

Multiple Select

Infectious diseases that caused by virus are ____.

[Choose more than one answer.

• COVID-19

• chicken pox

• sprained ankle

• headache

Multiple Choice

Which of the following can help us to cure red eye?

Multiple Choice

Which of the following is the function of vaccine?

• Help us to treat our illness

• Help us to grow

• Cure our disease

• Gives us immunity to against the diseases

Multiple Select

Which of the following is correct about infectious diseases?

Choose more than one answer.

• Can not spread to others

• it can caused by bacteria

• Infectious diseases can spread through saliva from the mouth

• only human can have infectious disease

Energy is needed to do work

To gain energy, every organisms need food

​

​Energy From Food

Fill in the Blank

Plants are called producers because they can produce their own:

Multiple Select

The preys in this food chain are ____

Choose 2 correct answers.

• snake

• mouse

• plant

• eagle

• snake and eagle

Multiple Choice

A habitat should provide these for the living things, except ....

• shelter

• food

• water

• clothes

Multiple Select

Choose 2 correct conditions about the desert.

• the soil is covered by ice

• it has sandy soil

• we can find water easily

• it is very hot at day time

Multiple Choice

In what habitat would you find a camel?

• ocean
• forest
• rainforest
• desert

Multiple Choice

Name the habitat.

• polar region

• ocean

• savanna

• desert

Fill in the Blank

Based on this identification key, butterfly is placed in number ....

Fill in the Blank

We have biceps and triceps in our arms. Our muscles contract and relax to move our arms. are the triceps of the boy in this picture contract or relax?

Fill in the Blank

This boy is having an infectious disease. What is the name of this disease?