Sonia was experimenting with electric charges. She tied two inflated balloons together, held them next to each other, and rubbed both with a piece of wool. What did Sonia observe, and why?

Which explanation best describes a wave?

How long does it take for light from a star that is 8 light-years away to reach earth? A. 8 earth minutes B. 16 earth minutes C. 8 earth years D. 16 earth years

How do we know galaxies are moving away from us

The movement of an object at a constant speed around a circular radius is known as Question 1 options: unified celestial movement. uninformed circumstantial monotony. unilateral circus magic. uniform circular motion.

What repels radiant energy

A meandering river is flowing in a broad, alluvial valley and the river is silt-laden but also moves sand and a small amount of gravel. The government decides to build a dam across the valley for power and flood control.

The Sun 1. Sara has made this list to summarize what she learned in science class today: 1. Core 2. Radiation zone 3. Convection zone What is the best title for her list? a. The Layers of the Interior of the Sun b. The Layers of the Sun c.

Jack rolled a marble down a ramp and recorded the potential energy and kinetic energy of the marble at different positions on the ramp, as shown in the table.

Protons are the smallest particle of an element that retains the original Characteristics of the element. True or False

A 5kg rock and a 10kg rock are dropped from a height of 10m?