Engineering Design Process Worksheets

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Easy

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Fix the Sentence

Each sentence has an error. Rewrite it correctly on the line.

Part B: Fill in the Blank

Write the missing word or number on each line.

1. An  

2. The first step of the design cycle is to  

3. After planning, engineers build a model called a  

4. After testing, engineers  

Part C: True or False?

Read each statement. Circle True or False.

1. Engineers follow steps called the engineering design process.

T F

2. Engineers only need one try to make a perfect design.

T F

3. A prototype is a model used to test a design idea.

T F

Engineering Design Process

Easy

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Fix the Sentence

Each sentence has an error. Rewrite it correctly on the line.

Part B: Fill in the Blank

Write the missing word or number on each line.

1. An engineering  

2. In the Ask step, engineers  

3. The person who will use the design is called the  

4. A good problem statement tells what is needed and  

Part C: True or False?

Read each statement. Circle True or False.

1. Grade 3 engineers ask questions to understand a problem.

T F

2. A problem statement should skip saying who the design is for.

T F

3. 'How can we keep a lunchbox cold?' is a good engineering question.

T F

Engineering Design Process

Easy

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Fix the Sentence

Each sentence has an error. Rewrite it correctly on the line.

Part B: Fill in the Blank

Write the missing word or number on each line.

1. During the imagine step in Grade 3, we  

2. Grade 3 engineers often draw a quick  

3. It is smart to think of  

4. In Grade 3, after we brainstorm, we  

Part C: True or False?

Read each statement. Circle True or False.

1. In Grade 3, the imagine step means drawing only one idea and building it right away.

T F

2. Grade 3 engineers brainstorm lots of ideas so they have many choices before picking one.

T F

3. In Grade 3, it is wrong to share your brainstorming ideas with your teammates.

T F

Engineering Design Process

Easy

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Fix the Sentence

Each sentence has an error. Rewrite it correctly on the line.

Part B: Fill in the Blank

Write the missing word or number on each line.

1. A first model that Grade 3 engineers build to try out an idea is called a  

2. In Grade 3, after building a prototype, we  

3. Grade 3 engineers write down what happens when they test, called  

4. If a Grade 3 prototype fails the test, engineers can  

Part C: True or False?

Read each statement. Circle True or False.

1. In Grade 3, a prototype is the very last version of a product that goes to the store.

T F

2. Grade 3 engineers can build a prototype out of simple materials like paper, tape, and straws.

T F

3. In Grade 3, if a prototype fails, engineers should throw away the whole project forever.

T F

Engineering Design Process

Medium

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Fill in the Blank

Write the missing word or number on each line.

1. A  

2. The rules for success in a design are called the  

3. If a bridge must hold 10 blocks, that rule is a  

4. Using only 20 straws is a material  

5. Engineers draw a  

6. A working test model of a design is called a  

7. Grade 3 scientists  

8. If the design fails, engineers  

9. Repeating the design cycle to make a better design is called  

Part B: Matching

Match each item on the left to the correct answer on the right.

1. Match each item to its correct answer.

Ask step

→

Draw a sketch of the design

Plan step

→

Change the design after testing

Create step

→

Build the prototype

Improve step

→

Write down what the problem is

Engineering Design Process

Medium

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Fill in the Blank

Write the missing word or number on each line.

1. A plan shows the  

2. Before building, engineers make a  

3. A  

4. When engineers  

5. Grade 3 engineers write down  

6. A design that fails gives useful  

7. When engineers  

8. Going back through the steps to try again is called an  

9. Grade 3 teams share their results so other engineers can  

Part B: Matching

Match each item on the left to the correct answer on the right.

1. Match each item to its correct answer.

Imagine step

→

Try the prototype and record what happens

Plan step

→

List materials and draw a sketch

Test step

→

Think of many possible ideas

Improve step

→

Fix weak parts and try again

Engineering Design Process

Medium

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Fill in the Blank

Write the missing word or number on each line.

1. A Grade 3 class must build a bridge to hold 20 coins. Stating this goal is the  

2. Before building a tower, Grade 3 engineers list rules like height and materials called  

3. A limit such as using only 10 straws for a Grade 3 tower is called a  

4. Grade 3 students draw many rainproof cover ideas during the  

5. After choosing one rainproof cover idea, Grade 3 engineers make a  

6. Grade 3 students build a small bridge model called a  

7. Loading coins on a Grade 3 bridge to see when it breaks is the  

8. After testing, Grade 3 engineers make changes, called  

9. Repeating the design steps over and over to make a better design is called  

Part B: Matching

Match each item on the left to the correct answer on the right.

1. Match each item to its correct answer.

Grade 3 class lists: bridge must hold 20 coins, use paper only

→

Ask step (criteria and constraints)

Grade 3 team sketches 6 different rainproof cover ideas

→

Imagine step (brainstorming)

Grade 3 students build a straw tower model to try it

→

Create step (build prototype)

Grade 3 team loads coins on bridge and records when it falls

→

Test step (try and record)

Engineering Design Process

Medium

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Fill in the Blank

Write the missing word or number on each line.

1. Grade 3 engineers use  

2. If a Grade 3 bridge must hold the most weight, the best design is the  

3. When a Grade 3 car race has a time goal, the  

4. If a Grade 3 design has a small budget, the  

5. A  

6. Grade 3 engineers make a chart to  

7. The design that meets the most Grade 3 criteria is the  

8. Grade 3 engineers  

9. Sometimes two Grade 3 designs tie, so engineers pick the one with fewer  

Part B: Matching

Match each item on the left to the correct answer on the right.

1. Match each item to its correct answer.

Grade 3 bridge must hold 30 coins

→

Strongest design wins

Grade 3 paper airplane must fly farthest

→

Farthest-flying design wins

Grade 3 boat must be built for under $2

→

Cheapest design wins

Grade 3 umbrella must keep all water off

→

Most waterproof design wins

Engineering Design Process

Hard

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Multiple Choice

Circle the best answer for each question.

1. A Grade 3 team builds a popsicle-stick bridge. It breaks at 5 blocks but must hold 10. What should they do next?

2. Which choice best describes an iteration in Grade 3 engineering?

3. A rainproof backpack cover leaks at the seams. What constraint might matter most?

4. Grade 3 engineers finish testing. What should they share with the class?

Part B: Fill in the Blank

Write the correct answer on each line.

1. Repeating the design cycle many times is called  

2. A first version of a design made to test ideas is a  

3. A limit like 'use only 20 sticks' is called a  

4. A success rule like 'must hold 10 blocks' is a  

5. When engineers change parts after a test to fix problems, they  

Engineering Design Process

Hard

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Multiple Choice

Circle the best answer for each question.

1. Grade 3 students must design a cup holder that fits on a desk using only paper and tape. What is the main constraint?

2. A toy car design must roll 1 meter. This rule is an example of a:

3. A Grade 3 team tests two bridge designs. Design A holds 8 blocks, Design B holds 12. What should they do?

4. Why do Grade 3 engineers iterate their designs?

Part B: Fill in the Blank

Write the correct answer on each line.

1. A working test version of a design is called a  

2. The limits on a design, like materials or time, are called  

3. The rules that tell when a design is successful are the  

4. Repeating the design steps to make a design better is  

5. When Grade 3 engineers change a design based on data, they  

Engineering Design Process

Hard

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Multiple Choice

Circle the best answer for each question.

1. A Grade 3 paper bridge held only 2 coins before breaking. Which change most likely makes it stronger?

2. A Grade 3 straw tower fell at 20 cm. What is the best next iteration?

3. A Grade 3 rainproof cover let water through the seams. Which improvement helps most?

4. In Grade 3, why do engineers repeat the design steps instead of stopping after one test?

Part B: Fill in the Blank

Write the correct answer on each line.

1. Repeating the design steps to make a Grade 3 design better each time is called  

2. After a Grade 3 bridge breaks, engineers look at  

3. Adding folds to a Grade 3 paper beam makes it  

4. A Grade 3 engineer who quits after one failed test misses the chance to  

5. Each Grade 3 iteration is a chance to learn from  

Engineering Design Process

Hard

Engineering Design Process

Name:

Date:

Grade: Grade 3

Part A: Multiple Choice

Circle the best answer for each question.

1. The Wright brothers tested many glider shapes before the first powered flight in 1903. In Grade 3 terms, what were they doing?

2. Ruth Wakefield ran out of baker's chocolate and used chopped chocolate bar pieces instead. In Grade 3 engineering words, this was an example of:

3. Thomas Edison tested thousands of filaments before his light bulb worked. What Grade 3 lesson does this show?

4. What do the Wright brothers, Ruth Wakefield, and Edison all share in Grade 3 design process terms?

Part B: Fill in the Blank

Write the correct answer on each line.

1. The Wright brothers built and tested many  

2. Ruth Wakefield used the  

3. Edison tested thousands of filaments, which is a clear example of  

4. Each failed test taught real engineers something new, so failure was actually a  

5. Real Grade 3 worthy engineers  

Engineering Design Process

What's Included in This Download

What You'll Learn

These engineering design process worksheets help grade 3 students develop essential science skills through engaging activities.

How to Use These Worksheets

1. Download & Print: Click the download button to get the PDF. Print on standard 8.5" x 11" paper.
2. Start Simple: Begin with easier pages before moving to more challenging activities.
3. Daily Practice: Dedicate 10-15 minutes each day for consistent learning.
4. Use Manipulatives: Pair worksheets with physical objects like blocks or counters.
5. Provide Encouragement: Celebrate progress and effort to build confidence.
6. Check Progress: Use the included answer key to review work together.

Common Mistakes to Watch For

• Grade 3 students often skip the Ask step and start building right away, without clearly naming the problem and the user.
• Some Grade 3 learners mix up constraints (limits) and criteria (success rules), which makes testing and improving harder.
• Grade 3 engineers sometimes give up after one failed test, forgetting that iteration and improvement are the heart of the design process.

Frequently Asked Questions

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