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Science Study- H.L.S
Science Exam Study- Heat, light, sound energy
| Question | Answer |
|---|---|
| What are three types of energy? | 1)Light 2)Heat 3)Sound |
| How does light travel? | A) light travels in a straight line. |
| What are bioluminescent creature? | A) Amimals that produce their oun light. eg; fireflies, anglerfish etc. |
| How does reflection occur? | A) Relfection occurs when light bounces off a surface. |
| What is the name given to objects that generate light and heat? | A) Incandessent. eg; light globes etc |
| With out what can sound not travel with out? | A) Air |
| How is sound produced? | A) through creating vibrations and pasing them through the air. |
| Which travels faster Light or sound? | A) Light travels faster than sound? |
| Why do we hear sound? | A) Because somthing as caused our ear drums to vibrate. |
| Sound travels at how many metres persecond at 20oc | A) 343 metres. |
| Heat energy can increases the a)temperature, b)length, c) weight, of a substance. | A) Temperature |
| How does heat travel? Give the three ways | A) Conduction, Convection, Radiation. |
| What Is conduction? | A) conduction occurs when partical pass on the vibrations along (eg: metal rod). |
| What is Covection? | A) This involes Gases and Water. |
| List Five good heat conductors. | A) 1.Steel 2.cooper 3.gold 4.water 5. Air. |
| 'Hot Air Rises' True or false? | A) True |
Created by:
Jess Armstrong
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