Illustrate the transfer of heat energy from warmer objects to cooler ones using examples of conduction, radiation and convection and the effects that may result.
Explain the suitability of materials for use in technological design based on a response to heat (to include conduction, expansion, and contraction) and electrical energy (conductors and insulators).
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Q 1/10
Score 0
As particles within solids, liquids and gases move, they create ________ which is transferred among the particles through collisions.
30
radiant energy
chemical energy
heat energy
potential energy
Q 2/10
Score 0
Why does the snowman begin to melt?
30
The energy from the sun is being absorbed by the snow.
The energy from the the ground is being absorbed by the snow.
The wind blowing adds energy to the snow causing it to melt.
The snow is losing energy to the ground and it begins to melt.
10 questions
Q.
As particles within solids, liquids and gases move, they create ________ which is transferred among the particles through collisions.
1
30 sec
6.P.3.1
Q.
Why does the snowman begin to melt?
2
30 sec
6.P.3.1
Q.
When ironing clothes, the primary method of heat transfer is
3
30 sec
6.P.3.1
Q.
Lin notices that the temperature of the room increases when the afternoon sun shines through the window. She experiments by covering the window using four different materials to find out which works best to reduce the temperature of the room. Which material works best?
4
30 sec
6.P.3.2
Q.
It’s a good idea to use sunscreen when you are out in the sun. Titanium dioxide, the white chemical in some sunscreens, forms a barrier on your face and body. Which of these best explains how sunscreen protects the skin?
5
30 sec
6.P.3.2
Q.
The color produced by fireworks is all due to the chemicals inside of the firework itself. Which of these would describe a firework that looked violet?
6
30 sec
6.P.3.2
Q.
A science class constructed electromagnets. They used a large iron nail, wire, and a battery.
Because they were touching the wire while using the electromagnets, it was important to have coated wire to protect themselves from both the electricity and heat. What was the wire coated with?
7
30 sec
6.P.3.3
Q.
Wool is used for scarves, sweaters, hats, and gloves because it is a good insulator. If wool is a good insulator, what substance would be a good conductor?
8
30 sec
6.P.3.3
Q.
The pot shown in the picture is made of two different metals. Why is the handle made of a different metal than the rest of the pot?
9
30 sec
6.P.3.3
Q.
People who work on electrical power lines wear thick rubber gloves. Why are their
gloves made of rubber?