Unit 1 Review

Who are the three Grade 4 science teachers?

• Mr. Kevin, Ms. Lulu, Mr. Joe

• Mr. Rhodri, Mr. Kevin, Mr. James

• Mr. James, Mr. Rhodri, Mr. Joe

• Mr. Adam, Mr. Scott, Mr. Flor

Which of these is a simple machine?

• Computer

• Lever

• Television

• Phone

What kind of simple machine is this?

• Pulley

• Lever

• Wheel and Axle

• Wedge

What kind of simple machine is this?

• Inclined Plane

• Spinny Thing

• Wheel and Axle

• Wedge

What kind of simple machine is this?

• screw

• wedge

• inclined plane

• lever

Why do people use simple machines?

• To make work harder

• To make work easier

• To make work impossible

• To make work boring

Which simple machine would you use to cut an apple?

• Pulley

• Wedge

• Screw

• Lever

What kind of simple machine is this?

• screw

• lever

• wheel and axle

• inclined plane

Which simple machine would you need to make a car turn?

• Lever

• Wheel and axle

• Wedge

• Screw

What are complex machines made of?

• Simple machines

• Candy

• Gold

• Paper