Science Quiz for Grade 4

The skeletal system supports the body and helps us move. What daily activity relies heavily on the bones and joints of your body?

• Eating breakfast

• Walking to school

• Listening to music

• Sleeping

Muscles help us move by working with the skeletal system. Which of the following actions is a result of your muscles contracting?

• Sleeping at night

• Playing sipa with friends

• Reading a book

• Watching TV

The digestive system breaks down food into nutrients that your body uses for energy. What Filipino dish is easiest to digest because it is light and easy on the stomach?

• Lechon

• Sinigang

• Lugaw

• Adobo

Your circulatory system carries oxygen and nutrients throughout your body. What is the main organ responsible for pumping blood to all parts of your body?

• Lungs

• Heart

• Brain

• Kidneys

The respiratory system brings oxygen into the body and removes carbon dioxide. Which of the following activities increases your need to breathe faster?

• Sleeping in the afternoon

• Running in a Palarong Pambansa race

• Eating your favorite halo-halo

• Writing an essay in class

Which two systems work together when you are playing a traditional Filipino game like 'patintero' that requires running and quick movements?

• Skeletal and Digestive

• Respiratory and Muscular

• Circulatory and Digestive

• Skeletal and Circulatory

When you are eating food like sinangag and tapa, what body system helps break it down and absorb the nutrients?

• Muscular system

• Skeletal system

• Respiratory system

• Digestive system

When you are walking uphill in a hilly area like Tagaytay, your legs start to feel tired after a while. Which body system is responsible for this feeling?

• Skeletal system

• Muscular system

• Circulatory system

• Respiratory system

After a long day of school, you might feel sleepy and tired. Which system is responsible for transporting oxygen to your muscles so you have energy?

• Circulatory system

• Skeletal system

• Digestive system

• Muscular system

If a person feels their heart beating fast after climbing several flights of stairs, which two body systems are involved in this action?

• Digestive and Muscular

• Respiratory and Circulatory

• Skeletal and Respiratory

• Muscular and Digestive