4th, 2022. 2.3 - 2.4

LICEO CRISTIANO REVERENDO JUAN BUENO DE LA COLONIA SAN BENITO 

​GRADE: 4TH 

SUBJECT: SCIENCE 

 CHAPTER: II "THE MUSCLE BUILDING" 

LESSON: 2.3 - 2.4 

DATE:

Lesson 2.2 - 2.3

Building strong muscles 🏋💪

Exercise builds endurance

BIBLE VERSE

God designed our body to do many things, walk, run, jump, but the most important activity we should do is Glorify His name.

​LET´S REMIND

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VOCABULARY 📚

​Involuntary muscle

​Muscle tone

Endurance

​Aerobic

Building stong muscles

Muscles are made mostly of protein, that´s why you should eat food that contains a lot of proteins, this helps you to grow and repair your muscles.

Carbohydrates and calcium allow you to build strong bones and muscles too.

MUSCLE TONE IS IMPORTANT

Many muscles in our body are relaxed, they are gently pulling against each other most of the time. This steady contraction is called muscle tone

EXCERCISE FOR YOU!

• Exercise rapidly will make your body more flexible or limber.

• Exercise fills your lungs with fresh air and make your heart beat faster, these exercises build your endurance (ability to keep on).

• Aerobics are good exercises that maintain your body active for more than fifteen minutes.

INSUFFICIENT EXERCISE

A lack of exercise causes waste materials to collect inside your body. Then your body parts do not function properly.

Not getting enough exercise can also cause your heart to become weak.

Multiple Choice

The constant , gentle pulling of muscles against each other is called?

• Cramp Muscle

• Muscle tone

• Strain Muscle

Multiple Select

What do we call the ability to keep on?

• Limber

• Cramp

• Endurance

Multiple Choice

What word means able to bend easily?

• Cramp

• Limber

• Endurance

Multiple Select

What nutrients are good for our bones and muscles?

• Proteins, water, and soda

• Junk food

• Proteins, calcium and carbohydrates

Multiple Choice

What are the two types of muscles?

• Voluntary and involuntary muscles

• Voluntary and movement muscles

• Involuntary and strenght muscles

Open Ended

What happen to our body if we do not exercise?

​Let´s work on our Science book on page 27.

​EXERCISE 4 FITNESS

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​In groups we are going to develop the activities on pages 29 - 30 - 31 and 32.

​As teams, we are going to participate in each exercise station