Ahed Tamimi was filmed in December outside her family home, pushing, kicking and slapping the soldiers, who fended off the blows without retaliating.
Palestinians have hailed the 16-year-old as a hero. The altercation sparked outrage in Israel over what was seen as a humiliating incident for the military.
Today, the military court extended her detention for two days. Her father, Bassem, yelled in court: "My dear, my daughter. How are you? Be strong. You're strong."
The military has said she could face up to 14 years in prison. However, the maximum sentence appears unlikely.