As more and more energy is added to the atoms of a solid plastic, the plastic will first change into

A. a harder solid.

B. a thick liquid.

C. a free-moving gas.

D. a volatile plasma

Describe 2 ways that mass and weight are the same

Carla sees an equation that models a nuclear change. Superscript 2 Subscript 1 Baseline H + Superscript 3 Subscript 1 Baseline H yields Superscript 4 Subscript 2 Baseline H e + Superscript 1 Subscript 0 Baseline n Which nuclear process does the

Why do liquids solidify when cooled

The age of the Milky Way Galaxy is about 13 billion years, but our Solar System is less than 5 billion years old. If the Sun had been one of the very first stars, how would the Sun and its aging differ?

An object's speed is 3.60 m/s, and its momentum is 180.0 kg * m/s. what is the mass of the object?

Which actions are evidence that a chemical reaction has occurred? Check all that apply. A: a change in color B: the formation of a precipitate C: a clear liquid becoming cloudy D: a change in shape E: the formation of bubbles F: the formation of

Which sphere forms Earth's outermost layer? Atmosphere Biosphere Cryosphere Hydrosphere

an 100kg object traveling at 50m/s collides (perfectly inelastic) with a 50kg object initially at rest. what is the sum of the momentum of both objects prior to the collision?

A train moves at constant velocity of 50km/h. how far will it move in 0.5h?

Which process best describes part of a scientific investigation? O designing a solution O evaluating the conclusion O evaluating the solution O identifying the conclusion