Forms of Energy
The energy form that can travel through space and create light. The sun produces this kind of energy.
A. External energy
B. Potential energy
C. Radiant energy
D. Kinetic Energy
C. Radiant energy
You notice a rainbow in the sky shortly after it stops raining. Is this reflection or refraction?
Refraction
On a sunny day, Ann sits under the shade of a tree. Which of the following describes the area under the tree?
A. cooler and darker
B. cooler and brighter
C. warmer and darker
D. warmer and brighter
A. cooler and darker
Why does a sidewalk feel very hot on your bare feet in the summer time?
A. The sidewalk absorbs gases from the air.
B. Heat energy from the sun warms the sidewalk.
C. Sound energy from the sun warms the sidewalk.
D. The sidewalk traps heat energy from the ground.
B. Heat energy from the sun warms the sidewalk.
Nolan made several mistakes on his test and when he erased them he noticed his eraser was warm. Which reaction was happening when Nolan erased the mistakes with his eraser.
A. Convection
B. friction
C. radiant energy
D. Conduction
B. friction
Energy is used during sporting events. Sometimes it is used by the players and sometimes it is used by the equipment. Which is an example of kinetic energy?
A. soccer player kicking a ball
B. Skier perched on the top of a hill
C. football player standing by an outdoor heater
A. soccer player kicking a ball
A drop of water falls on a paper on a student’s desk. The student notices that the words under the droplet look bigger. Is this reflection or refraction?
Refraction
When you cannot see through an object, we call this object ___________?
A. transparent
B. Reflection
C. translucent
D. opaque
D. opaque
The sun is a star that gives off energy. Which forms of the sun’s energy reach Earth?
A. light and heat
B. light and sound
C. heat and electricity
D. light and electricity
A. light and heat
Microwave rays and the rays from the sun are a type of which heat transfer?
Radiation
Joe uses a blender to make a health shake. Which types of energy is used by the blender?
A. electrical, heat and light
B. electrical, potential and heat
C. electrical, kinetic and sound
D.Mechanical, sound and potential
C. electrical, kinetic and sound
Donald has a watch with a solar panel on it. The solar panel stores energy from sunlight. Which of the following most likely happens when sunlight strikes the solar panel?
A. Sunlight is reflected
B. Sunlight is refracted
C. Sunlight is absorbed.
D. Sunlight is transmitted
C. Sunlight is absorbed.
Melissa is wanting to make shadow puppets using her hands. She turns off the lights and turns the lamp in her room on. Where should Melissa put her hands in order for shadows to occur on the wall?
A. Behind the lamp so her hands do not block the light.
B. On top of the lamp to heat up her hands
C. In front of the lamp so her hands block the light
D. Next to the lamp on the table because her hands are tired
C. In front of the lamp so her hands block the light
Energy is used during sporting events. Sometimes it is used by the players and sometimes it is used by the equipment. Which is an example of kinetic energy?
A. soccer player kicking a ball
B. Skier perched at the top of a hill
C. foot ball player standing by an outdoor heater
D. lights used when taking a picture of a winning runner
A. soccer player kicking a ball
Mark has a hot bowl of soup. He puts the bowl on the counter and when he lifts up the bowl he feels the table underneath is warm. What caused the table under where the soup was placed to be warm?
A. radiation
B. reflection
C. Convection
D. Conduction
D. Conduction
Reagan is sitting on the couch and on the table next to her is a book, a glass of water, a lamp, and a pen. Based on what we learned about Energy, which of these is true?
A. The lamp has light energy
B. The glass of water has kinetic energy
C. The pen has kinetic energy
D. The book has kinetic and potential energy
A. The lamp has light energy
What happens to light when it travels through water?
Refraction
When light is taken in by something we say that it is _______________. The color black takes in more light than the color white.
absorbed
_________ is the ability to do something. ______ can make matter change or move.
A. light
B. Energy
C. Heat
D. Sound
B. Energy
Sarah pushes a chair from her bedroom to the playroom. What two things become warmer when Sarah pushed the chair?
A. The chair and floor
B. The air around Sarah
C. The chair and the bedroom
D. Only sarah
A. The chair and floor
A lamp is plugged into the wall. Which forms of energy are being used.
A. mechanical, light, heat, and potential
B. mechanical, light, heat, kinetic
C. mechanical, light, heat, sound
D. mechanical, light, heat
D. mechanical, light, heat
Give one example of refraction and one example of reflection.
Answers may vary
Mia entered a dark room and shined her flashlight on the couch. What could you observe as evidence that the couch absorbed the light?
A. The light was not very bright.
B. The light traveled in a curved line.
C. The light traveled in a straight line.
D. The light did not go through the chair.
D. The light did not go through the chair.
The total of its potential energy and kinetic energy is called ________.
A. Energy Forms
B. heat energy
C. potential energy
D. Mechanical Energy
D. Mechanical Energy
Which objects would create more friction if rubbed together for 10 seconds?
A. Smooth objects
B. Rough objects
C. Plastic containers
D. Wet objects
B. Rough objects