4th Grade Science Review

What are a group of cells that join together?

• organs

• organ systems

• organism

• tissues

Tags

NGSS.MS-LS1-3

Organs work together in a system to perform functions. Is the statement true or false?

• True

• False

Tags

NGSS.MS-LS1-3

Which organs help an animal find food? Select two correct answers.

• ears

• lungs

• eyes

• heart

• intestines

The optic nerve is where light enters the eye. Is the statement true or false?

• True

• False

Which structure of a plant grows downward and its function is to seek water?

• leaves

• stems

• flowers

• roots

• petiole

The pumping of the heart is an example of an involuntary action. Is the statement true or false?

• True

• False

Which is an example of a voluntary response? Select two correct answers.

• walking to the park

• a fox's fur growing

• a dog hearing the doorbell ring

• a rabbit hiding in a bush

Which describes how snakes use their senses to detect danger?

• Snakes use their ears to hear.

• Snakes’ tongues smell chemicals.

• Snakes’ skin can get warm when danger is near.

• Snakes use their sense of touch to detect a threat.

Tags

NGSS.MS-LS1-8

Which describes how the ear works?

• The outer ear vibrates as it processes sound waves from the inner ear.

• The inner ear moves sound outward so the system hears sound.

• The brain receives the sound first then the sound travels to the ear.

• The outer ear moves sound toward the inner ear to process sounds.

If you fell and bruised your knee, which system sends messages and signals to the brain?

• muscular system

• skeletal system

• circulatory system

• nervous system