What energy needs to be removed from liquid water to change it to a solid?

What energy needs to be removed from liquid water to change it to a solid?
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A. Heat

B. Light

C. Chemical

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A. Heat

A. Heat
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Removing heat causes liquid water to freeze and form ice. Water also exists as a gas or a vapour.

How much time must pass for plant or animal remains to be considered a fossil?

How much time must pass for plant or animal remains to be considered a fossil?
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A. 60 years

B. 100,000 years

C. 10,000 years

C. 10,000 years

C. 10,000 years

Calling someone a fossil might seem like a great joke, but it’s definitely inaccurate since it takes some 10,000 years for plant or animal remains to be a fossil.

Check out these science ‘facts’ that are actually not true.

Which of the following actions allows electrical energy to change to another energy form?

Which of the following actions allows electrical energy to change to another energy form?
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A. Sleeping in a cold room

B. Turning on a light in a dark room

C. Cooking food on an open campfire

B. Turning on a light in a dark room

B. Turning on a light in a dark room
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And when you turn a light off, it goes away by being quickly converted to heat and other forms of energy.

Find out about the game-changing molecule that can support energy for a fuller life.

Which part of the kale plant do we actually eat?

Which part of the kale plant do we actually eat?
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A. The leaves

B. The seeds

C. The flowers

A. The leaves

A. The leaves
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Kale is a member of the cabbage family. If you passed this quiz with flying colours – or ten or more correct answers – you really are as smart as a fourth-grader.

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Source: RD.com

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