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Details

Interactive Science
Chapter 1 Lesson 3 & 4
17
Science
4th Grade
11/03/2019

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Cards

Term
Refraction
Definition
When light bends
Term
Insulator
Definition
A substance through which heat does not easily flow
Term
Absorption
Definition
When an object takes in a light wave
Term
Conduction
Definition
The transfer of heat that occurs when one thing touches another
Term
Convection
Definition
The transfer of thermal as matter moves
Term
Prism
Definition
a piece of glass that separates light into different wavelengths
Term
Radiation
Definition
Energy that is sent out in waves
Term
Refection
Definition
When light rays bounce off or reflect from a surface
Term
How do plants use light energy?
Definition
Plants use light energy to make food and oxygen
Term
What forms when gas or liquid transfers heat as it moves?

a. Reflection
b. Conduction
c. Convection
Definition
Convection
Term
Only sound energy travels in waves. True or False
Definition
False
Term
A piece of glass reflects more light than a piece of paper. True or False
Definition
True
Term
The color red has a lower frequency than the color green
Definition
True
Term
Name 3 sources of light
Definition
Sun, light bulb, fire
Term
3 things that happen if light strikes an object
Definition
It will pass through it
It will be absorbed
It will reflect
Term
The change in speed of light when it passes into an object causes:
a. Radiation
b. Refraction
c. Conduction
Definition
Refraction
Term
How does a prism separate visible light into different colors?
Definition
Different wavelengths bend at different angles so different colors can be seen
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