Vocabulary
When an object goes towards a magnet, this means the magnet (1) _______________ the object, but when it pushes away from the magnet, this means the magnet (2) __________ the object.
Choices:
absorbs, attracts, magnetic field, reflects, repels
(1) attracts (2) repels
The invisible force of magnetic energy is called the _________.
Choices:
natural source, man-made source, attract, repel, magnetic field
magnetic field
Name the main source of magnetic energy.
a magnet
When your teacher starts screaming because a bat just flew into the classroom and the scream makes the worksheet on your desk flutter, that is because of ___________ energy.
sound
On a hot summer day, Casey and Lilly were playing tag in their front yard. They took a break to go inside and get some ice cold water from the kitchen. After taking a few sips, they put their cups down on the sidewalk and continued their game of tag for a while. When they went back to get another sip of water, they noticed that all of the ice cubes that they had put in their cup with the water had disappeared. What form of energy made their ice cubes disappear?
heat
When light bounces off of an object, it (1) ___________. When the object takes in or soaks up the light, this means it (2) __________.
Choices:
absorbs, opaque, reflects, translucent, transparent
(1) reflects (2) absorbs
If you heat up a solid, it will (1) __________ into a liquid. If you heat up a liquid, it will (2)_________ into a gas.
Choices:
conduct, evaporate, insulate, melt, vibrations
(1) melt (2) evaporate
Name a man-made source AND a natural source of light energy.
Answers vary.
Examples of man-made sources: lightbulb, flashlight, campfire, TV screen, candle
Examples of natural sources: sun, firefly, lightning, wild fire
When you take the Moana magnet from your fridge and put it on the table and it makes paperclips slide towards it, that is because of ____________ energy.
magnetic
Terri had received a brand new video game for her 7th birthday. She put it into her Nintendo player and hit a button on the remote, but nothing happened. After hitting the button a few more times with no luck, Terri decided to change the batteries in the remote. Once she had the new batteries correctly in place and pushed the button on the remote, the Nintendo system turned on and she began to play her game happily. What form of energy allowed the remote to turn on the Nintendo system?
electrical
When you can kind of see through an object, it is (1) ________________. When you can completely and clearly see through an object, it is (2) ________________. When you cannot at all see through an object, it is (3) ______________.
Choices:
absorb, opaque, reflect, translucent, transparent
(1) translucent (2) transparent (3) opaque
Invisible vibrations that travel through particles in a gas, liquid, or solid are called __________________.
Choices:
conductor, electrical receiver, insulator, light rays, sound waves
sound waves
Name a man-made source of heat energy AND a natural source of heat energy.
Answers vary.
Examples of man-made sources: oven, microwave, campfire, toaster, hair dryer, clothing iron, friction
Examples of natural sources: sun, lightning, wild fire, underground heat
When the vacuum won't turn on until you plug it into the wall outlet all of the way, that is because of __________ energy.
electrical
Tiffany was playing her bass guitar in the basement to practice for her band’s upcoming show. Upstairs, Tiffany’s parents had just poured some juice for her little brothers in plastic cups. As her brothers reach towards the cups to take a drink, the full cups of juice start wiggling and overflowing slightly over the sides of the cups. What form of energy made the juice overflow?
sound
(1) ______________ is how high or low a sound is while (2) ____________ is how loud or soft a sound is.
Choices:
echo, pitch, sound waves, vibrations, volume
(1) pitch (2) volume
Something that heat and electricity can travel easily through is called a (1) ________________. Something that blocks or does not allow heat and electricity to travel through it is called a (2)___________.
Choices:
circuit, conductor, electrical receiver, insulator, pathway
(1) conductor (2) insulator
Name three sources of sound energy.
Answers vary -- a person talking, thunder, a bird chirping, a book falling on the floor, clapping, instruments playing, etc
When your ice cream starts melting off the cone and going onto your hand on a hot summer day, that is because of __________ energy.
heat
Little Billy went to his dad’s work one day during his spring break. His dad worked at a car junkyard and Billy loved to watch his dad maneuver the machines. On one machine, his dad lowered a large round part right above the car and as he did this, the car lifted up off the ground and latched onto the round part of the machine. Billy was in awe at this. It seemed like magic to him! What form of energy allowed the machine to make the car lift off of the ground?
magnetic
The _________________ is the thing that gets or needs the electrical energy in order to work.
Choices:
closed circuit, conductor, electrical receiver, insulator, open circuit, power source
electrical receiver
A (1) _______________ will not allow electrical energy to flow all the way through the pathway while a (2) _________________ will allow electrical energy to flow all the way through the pathway.
Choices:
closed circuit, conductor, electrical receiver, insulator, open circuit
(1) open circuit (2) closed circuit
Name two sources of current electricity and one source of static electricity.
Current electricity: a battery and a wall outlet
Static electricity: lightning, rubbing a socked foot on a carpet, rubbing a comb through dry hair, rubbing a balloon on hair
When a sunflower plant that has been left outside in the summertime blooms over 3 feet taller than the sunflower plant left in the shade on a porch, that is because of ____________ energy.
light
Terry was trying to sleep when she heard a loud bang come from downstairs. She quickly ran out of her bedroom and squinted in the dark to see what the sound had come from, but couldn't tell. She flipped the switch on a nearby lamp and then she could see her two cats wrestling on the floor near a bunch of books that had been knocked off of the couch. What form of energy allowed Terry to see where the loud bang had come from?
light