# 4th Grade Science Light Study Guide

### Description

Practice Test for 4th Grade Light Test
Slide Set by Rachelle Layzell, updated more than 1 year ago
 Created by Rachelle Layzell almost 6 years ago
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## Resource summary

### Slide 1

Light
LIGHT IS A FORM OF?

ENERGY

### Slide 3

THE LIGHT ENERGY YOU CAN SEE IS CALLED THE

### Slide 4

VISIBLE SPECTRUM

### Slide 5

SOME TYPES OF INVISIBLE LIGHT ENERGY WE CANNOT SEE ARE

### Slide 6

RADIO WAVES MICROWAVE X-RAYS ULTRAVIOLET RAYS INFARED LIGHT GAMMMARAYS

### Slide 7

LIGHT TRAVELS IN?

WAVES

### Slide 9

THE HIGH POINT OF THE WAVE IS CALLED THE?

CREST

### Slide 11

THE LOW POINT OF THE WAVE IS CALLED THE?

TROUGH

### Slide 13

THE DISTANCE FROM THE TROUGH TO TROUGH OR CREST TO CREST IS CALLED A ?

WAVE-LENGTH

### Slide 15

EACH ______________________ OF LIGHT ON THE VISIBLE SPECTRUM HAS A DIFFERENT WAVE LENGTH

COLOR

### Slide 17

THE NUMBER OF WAVES THAT PASS BY A CERTAIN SPOT IN A CERTAIN AMOUNT OF TIME IS CALLED THE _________________  OF THE WAVE

FREQUENCY

### Slide 19

WHAT IS THE DIFFERENCE BETWEEN THE LIGHT FROM THE SUN AND THE LIGHT FROM THE MOON?

### Slide 20

THE SUN MAKES ITS OWN LIGHT, BUT THE MOON REFLECTS LIGHT FROM THE SUN.

### Slide 21

WAVES MOVE IN A ___________________________ LINE UNTIL THEY HIT AN OBJECT

STRAIGHT

### Slide 23

WHEN LIGHT HITS AN OBJECT, IT WILL DO ONE OF FOUR THINGS:

### Slide 24

ALLOW A LIGHT WAVE TO PASS THROUGH AN OBJECT MEANS TO?

TRANSMIT

### Slide 26

TAKE IN ALL OR SOME OF THE LIGHT WAVE THAT STRIKES AN OBJECT?

ABSORB

### Slide 28

BOUNCE A LIGHT WAVE OFF AN OBJECT MEANS TO:

REFLECT

### Slide 30

BEND A LIGHT WAVE AS IT PASSES FROM ONE MATERIAL TO ANOTHER

REFRACT

### Slide 32

OBJECTS LIKE WATER, AIR, SOME PLASTICS, AND CLEAR TAPE ALLOW LIGHT TO PASS THROUGH, SO WE CAN SEE WHATEVER IS BEHIND IT- ARE CALLED?

TRANSPARENT

### Slide 34

OBJECTS LIKE A DARK SHADE OVER A WINDOW TO NOT ALLOW LIGHT TO PASS THROUGH. THEY BLOCK THE LIGHT ARE CALLED?

OPAQUE

### Slide 36

OBJECTS LIKE WAX PAPER OR FROSTED GLASS WILL LET SOME LIGHT THROUGH, BUT IT WOULD BE DIFFICULT FOR YOU TO SEE THROUGH ARE CALLED?

TRANSLUCENT

### Slide 38

THESE OBJECTS WILL CAST A SHADOW. LIGHT IS BLOCKED BY THE PERSON OR ITEM CREATING THE SHADOW?

OPAQUE

### Slide 40

THE SUN'S LIGHT HITTING AN OBJECT AT ?______THIS TIME OF DAY__________? WILL CREATE SHORT, FAT SHADOWS OR SOMETIMES NO SHADOW AT ALL

NOON

### Slide 42

THE SUN'S LIGHT HITTING AN OBJECT AT ??___this time of day???  WILL CREATE LONG THIN SHADOWS?

SUNSET

### Slide 44

WHAT LAW STATES THAT THE ANGLE OF WAVE AS IT HITS A SMOOTH OBJECT EQUALS THE ANGLE OF THE WAVE AT WHICH IT BOUNCES OFF THE OBJECT.

### Slide 45

THE LAW OF REFLECTION

### Slide 46

WHAT TYPE OF MIRROR HAS A FLAT SURFACE

PLANE

### Slide 48

WHAT TYPE OF MIRROR HAS A SURFACE THAT IS CURVED INWARD AT THE CENTER. IT WILL MAGNIFY AN IMAGE?

CONCAVE

### Slide 50

WHAT MIRROR HAS A SURFACE THAT IS CURVED OR BULGED OUTWARD. IT GIVES A WIDE VIEW OF AN IMAGE?

CONVEX

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