G4 U10 Heating Objects

Which of the following is TRUE about heating up metals?

• As the metal melts, it slowly warms up.

• Only the heated area warms up, but other areas do not warm up.

• From the heated area of the metal, heat spreads outwards gradually.

• The heated area of the metal is always the bottom part.

How do you say 上へ in English?

Name the picture on the left.

This material can be used to see how metal heats up.

Which of the following materials was NOT USED in the experiment on how water heats up?

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Why is it important to put some wax on a metal plate when investigating how it heats up?

• To see easily how the metal change its color.

• To see easily how it will turn to white.

• To see easily how it will burn on the metal.

• To see easily how it melts on a metal plate while heating up.

• To see easily how it burns quickly.

How do you say 遠くのほうへ

Name the picture on the left.

How does air heat up?

• From the heated area, warmer air doesn't move.

• From the heated area, warmer air moves up and down.

• From the heated area, warmer air moves upwards then heats up all of the air.

• From the heated area, colder air moves upwards then heats up all of the air.

• From the heated area, warmer air moves downwards then heats up all of the air.

What did we use a black paper when doing the experiment on how air heats up?

• To observe how the incense stick is burning.

• To observe how the smoke disappears.

• To observe how the incense stick is changing its color.

• To observe how the smoke moves inside the container while heating up.

How do you say 鉄のぼう in English?

• metal wire

• metal plate

• metal pad

• metal bob

• metal rod