Science Term 3

Which word describes what this muscle is doing?

• contracting

• bending

• relaxing

• lengthening

Which pair of joints have a similar range of movement?

• elbow and shoulder

• skull and shoulder

• elbow and hip

• shoulder and hip

What is the name of the place where bones meet?

• bone marrow

• tendon

• joint

• ligament

What do we call these bones?

What organs do the rib cage protect?

• Kidney and lungs

• Heart and lungs

• Stomach and intestines

• Stomach and heart

Select all the functions of the human skeleton / what does the human skeleton do?

• Keeps the body upright

• Pumps blood around the body

• Helps the body move

• Protects vital organs

A guitar is a source of sound.

Which answer is NOT a source of sound?

• Hair moving

• Tapping their feet

• Drum sounds

• Singing

Samuel plucks the guitar strings and they make a sound.

What is happening to the guitar strings?

• The wooden part of the guitar makes a noise

• The strings sing

• The strings vibrate / move

• Samuel's hand makes a sound

How does the sound of the guitar reach the childrens ears?

• The sound disappears and appears again in the ear

• The vibrations move particles in the air moving sound along

• The noise is only heard by the ear and does not vibrate anything else in the air

• Sounnd does not vibrate and it is teleported to the brain

What is the scientific word for how loud a sound is?