

Kindergarten · Science · Challenge
Free Forces & Engineering worksheet - version 3
Kindergarten forces & engineering practice with original, difficulty-matched questions. This printable version includes 8 grade-appropriate questions and a separate answer sheet.
Forces & Engineering
Kindergarten · Stretch challenge · 8 questions · Version PG-1CKW6ML-X0TZ
Explain “unbalanced forces” in your own words.
Explain “force” in your own words.
Explain “magnet” in your own words.
Explain “kinetic energy” in your own words.
Explain “balanced forces” in your own words.
Explain “electric circuit” in your own words.
Explain “friction” in your own words.
Explain “simple machine” in your own words.
Answers and teaching notes
Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.
Show answers for version 3
- Explain “unbalanced forces” in your own words.forces producing a nonzero net force
- Explain “force” in your own words.a push or pull that can change motion
- Explain “magnet” in your own words.an object producing a field that attracts or repels certain materials
- Explain “kinetic energy” in your own words.energy an object has because of motion
- Explain “balanced forces” in your own words.forces with zero net effect on motion
- Explain “electric circuit” in your own words.a complete path through which electric charge can move
- Explain “friction” in your own words.a force opposing motion between surfaces
- Explain “simple machine” in your own words.a device that changes the size or direction of a force
Worked example
Identify forces, constraints, and evidence from a test before revising a design.
Common mistake
Changing several variables at once and losing a fair comparison.
Helpful hint
Change one feature and measure the result.