Natural Science: Heat & Light | Baamboozle - Baamboozle

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Study Guide for 5th Primary Natural Science, Unit 5: Heat & Light

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Heat and light are both forms of _____.

Heat and light are both forms of radiant energy.

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What are the two types of light?

Natural and artificial

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What is an example of a natural source of light?

The sun

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What is an example of an artificial source of light?

Light bulb, computer screen, watch, lamp, fire

10

How are temperature and heat different?

Temperature tells us how hot an object is. Heat is how much thermal energy an object has.

10

How can thermal energy affect objects?

It can cause them to expand or move, and it can change the state of an object (for example, changing a solid to a liquid).

10

________ is when two objects are touching and heat is transferred from one object to the other.

Conduction is when two objects are touching and heat is transferred from one object to the other.

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Give an example of conduction

A metal pan on a stovetop

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______ is when thermal energy travels through a gas or liquid.

Convection is when thermal energy travels through a gas or liquid.

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Give an example of convenction

Boiling water in a pot

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______ is when thermal energy is transferred through space by electromagnetic waves.

Radiation is when thermal energy is transferred through space by electromagnetic waves.

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Give an example of radiation

Thermal energy from the Sun is transferred to the Earth

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A _______ is a material or object that transfers thermal energy easily.

A conductor is a material or object that transfers thermal energy easily.

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Give an example of a conductor

A metal frying pan

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An _______ is a material or object that doesn't transfer thermal energy easily.

An insulator is a material or object that doesn't transfer thermal energy easily.

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Give an example of an insulator

Oven mitts, styrofoam, a wood handle on a pan, plastic spatula

10