Bell Work-5th grade, November 15

A student puts four objects in a bucket filled with water. the objects are listed below.
∎Plastic ball
∎Glass Marble
∎Metal paper clip
∎Wood block
Which two objects are most likely less dense than water?

• Wood block and metal paper clip
• Plastic ball and glass marble
• Metal paper clip and glass marble
• Wood block and plastic ball

Which of these is not soluble in water?

• Oil
• Salt
• Honey
• Sugar

Which of these best demonstrates the refraction of light?

• Looking at a reflection in water

• Looking at an image formed on a silver spoon

• Looking at a lightbulb that is glowing

• Looking at how a prism breaks light into the colors of the rainbow

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle

Students are asked to create a system using two mirrors and a flashlight to hit a target with a beam of light. Which diagram correctly uses the two mirrors and the flashlight to hit the target?

• A

• B

• C

• D

If I mix one cup of sand with a half cup of iron fillings, can I separate them? If yes, how?

• No, you can not separate this mixture

• By using your hand

• With a filter

• By using a magnet

What name is given to any material that allows electricity to pass through it?

• Battery

• Conductor

• Insulator

• Appliance

Which of the following would probably reflect the most light?

• Coffee cup

• Notebook paper

• Polished spoon

• Wooden block

The bending of light

• refraction

• light

• opaque

• reflection

The bouncing of light off an object

• basketball

• refraction

• reflection

• echo