WorksheetsHMH Science Dimensions 4th Grade Unit 1 Pretest
Total questions: 10
Worksheet time: 5hrs 0mins
Engineers must build a model of a design to find out how well it actually works. What is another word for this model?
prototype
conclusion
product
design
Mr. Sharpe is concerned because the old wooden steps outside his house are becoming loose. He wants to design a safer set of steps. What should Mr. Sharpe do first?
think of solutions
design a solution
build a prototype
record test data
Lin built a prototype for a new toy race car. During testing, the car would move only a short distance before coming to a sudden stop. What should Lin do next?
build a paper plane instead
build and test a new to car
use her observations to redesign the car
redesign the race car's rack and make it shorter
Before Wendy builds her prototype, she is sketching what it will look like. Which step of the engineering process is Wendy carrying out?
thinking of ideas
keeping good records
designing a solution
testing the prototype
A company decides to make a new type of snow sled. The sled should slide easily but stop safely. What should the company do next?
make changes
test the design
make a prototype
think of solutions
Pablo designed a parachute that is intended to slow the fall of a toy rocket. He drew sketches of the design. What should Pablo do next?
test the model
construct the model parachute
evaluate the design for revision
collect and analyze the test results
Themba will build a bookcase for his room. Which decision does not need to be made before he starts building?
how tall the bookcase should be
how wide the bookcase should be
how many books to put in the bookcase
how many shelves should be on the bookcase
Sarah and Lily are testing their prototype of a paper airplane. It rises up at first but then crashes to the floor. What should they do next?
start over
redefine the need
keep better records
redesign the prototype
What is the first step a student should take when designing a new boat?
Test the design.
Build a test model of the boat.
Identify needs the boat will have.
Think of solutions to problems ith the boat.
Four students used craft sticks to build a bridge. It should hold a 5-kilogram (kg) weight without breaking. They tested their prototype, and it broke under the 5 kg weight. Now what should they do?
lower the goal to 4 kg
conclude that they cannot reach the goal
rebuild the same prototype and test it again
redesign the bride and make a new model
