2nd 9 week exam science

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When the net force of two forces equals 0 and are opposite in direction but equal in force what type of force is it?

balanced

A pan touching a hot stove is an example of

conduction

A heater in a room is an example of

convection

Noodles rising and falling in boiling water are an example of

convection

Emily and Carly are ice skating. While they are ice skating Emily accidentally runs into Carly and they fall in different directions. Which law is this?

3rd law

What type of energy is the electrical energy converted to when she turns on the television?

Light, sound, and heat

When you compress a spring together what type of energy does that spring have?

Potential

There is a rock sitting on the edge of a 60 ft cliff. If the rock gets pushed over the cliff what type of energy conversion will take place?

Potential to Kinetic

Define unbalanced force:

forces that are not equal in size and opposite in direction.

The vertical columns on the periodic table are called

groups

A light bulb converts electrical energy into light energy and

heat

Maria's father started a fire in the fireplace. He crumpled paper, lit a match, and soon the logs in the fireplace were burning. In this case, the stored chemical energy in the logs was changed into which type of energy

heat and light

Madison is holding a compressed spring but does not release it. Is this an example of potential energy being changed into kinetic?

no

A sun bather being warmed by the sun is an example of

radiation

Warming your hands by a fire is an example of

radiation


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