4th Grade Science 1st Semester Review

Which part of the lamp system could be removed and the lamp still work?

• The lamp shade
• The electrical cord
• The light bulb

Which of the following conducts heat?

• A pencil
• Copper wire
• Plastic fork 

Which object is the best conductor of electricity?

• A plastic fork
• A ceramic mug
• A penny 

Which of the following is an insulator?

• Rubber
• Copper
• Aluminum 

What is a material called that allows heat or electrical energy to travel through easily?

• Insulator
• Conductor
• Friction 

What is a material called that will NOT allow heat or electricity to pass through easily?

• Insulator
• Conductor
• Friction 

What form of energy is produced when a guitar string vibrates?

• Sound energy
• Electrical Energy
• Chemical Energy 

Riding a bicycle and moving gears are both examples of this type of energy?

• Heat energy
• Sound Energy
• Mechanical Energy 

Which is the best example of heat energy?

• Turning on a light switch
• Using a ceiling fan
• Using an oven to cook pizza

Who is the best Science teacher??? :) 

• Mrs. Wright
• Mrs. Hamburger
• Mrs. Spaghetti