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.

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]

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

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

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