WorksheetsUnit 1 Review
Total questions: 24
Worksheet time: 12mins
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
What kind of simple machine is this?
pulley
wedge
lever
wheel and axel
What would you use a pulley for?
To lift heavy objects
To cut materials
To store energy
To cool down engines
What kind of simple machine is this?
inclined plane
rope and circle
wheel and axle
pulley
Which simple machine is NOT used in a bicycle?
wheel and axle
lever
inclined plane
pulley
What is this and what does it do?
see saw and it lifts people
can opener and it opens cans
pulley and it lifts boxes
wheel and it turns a car
Which simple machine is often used in a lawn mower to cut grass?
Wedge
Pulley
Lever
Screw
Why is it important for engineers to follow the steps of the design process?
To get rich
To make it easier to develop new technologies
To keep using old technology
To break things
What should engineers do after identifying the problem?
Develop possible solutions
Skip to testing the prototype
Finalize the design
Communicate results
What does the design process help engineers to do?
Skip unnecessary steps
Develop a clear plan and create effective solutions
Avoid using new technologies
Finalize the design immediately
What is the purpose of evaluating and redesigning in the design process?
To check how good something is and then make it better
To finish it faster
To learn more about robots
To make a drawing
What is the first model of your idea?
Drawing
Final Product
Evaluate
Prototype
What does an engineer do?
Flies airplanes
Builds or designs machines
Sings in a band
Teaches science to children
Who is this?
Hyunchul
Injoon
Jihwan
Kyle
Who is this?
Brr, Brr, Batapim
Bombardino Crocodilo
Tung, tung, tung, sahur
tralalero tralala
