Oven shelves contract while cold. When heat is introduced, they expand (or grow larger) and can damage your oven walls.
oven mitts
Yes, if the trays are full.
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explain how temperature affects matter using the words contract and expand
Expand
Stainless steel and aluminum are commonly used to make oven trays because they are durable, heat-resistant, and conduct heat evenly for baking. They are also non-reactive with food, making them safe for cooking.
They have to either expand or contract through movement. They can only expand and contract as far as their tissues will allow,
It will contract.
All rock can expand or contract.
They expand.
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