Science Unit Test: Motion and Design

Name:______#______Date:______

Directions: Fill in the blanks with the matching definition.

aerodynamic air resistance friction tension mass drag

1. ______force that resists movement between two objects that are touching

2. ______able to move through the air with as little air resistance as possible

3. ______the force exerted by a stretched object, such as a spring

4. ______the force of friction on a vehicle as it moves through the air

5. ______force that opposes the forward movement of a vehicle

6. ______the amount of matter an object has

axle force weight speed prototype analyze hypothesis

7. ______a prediction, an educated guess

8. ______a push or a pull

9. ______a measurement of how heavy something is

10. ______a bar or shaft on which a wheel turns

11. ______a measurement of how fast something is moving

12. ______to study something by breaking it down into simpler parts

13. ______an original model of a design Directions: Fill in the blanks with the matching definition.

blueprint inertia experiment data conclusion evidence constant

14. ______resistance to movement 15. ______something that offers proof 16. ______information, such as those gathered during an experiment 17. ______a condition that is not changed in a scientific experiment 18. ______a decision based on observations or on a study of data, the answer to the focus question of the experiment 19. ______a detailed plan or drawing that shows how something is designed

20. ______a procedure that is carried out to investigate a scientific question

DIRECTIONS: FILL IN THE BLANKS.

21. Energy in motion is ______.

22. The ability to do work is ______.

23. Stored energy is ______.

24. The force attraction between any two masses is called ______. We can jump higher on the moon because there is less of this on the moon than on the earth.

DIRECTIONS: CIRCLE THE LETTER THAT CORRESPONDS WITH THE CORRECT ANSWER.

25. How did weight (adding blocks) affect travel when we experimented in the classroom with our vehicles and washers? a. Weight did not affect the speed of the vehicle. b. Weight made the vehicle travel faster. c. Weight made the vehicle travel slower. 26. Which is an example of an object whose energy can change from potential to kinetic energy and back again to potential? a. Rubber band b. Ruler c. Measuring tape

27. How does friction affect motion? a. Friction does not affect motion. b. Friction makes vehicles travel faster. c. Friction slows down motion.

28. What are the Laws of Motion? a. It is a motion dance created by Hannah Montana. b. It is Central’s School’s rule of how you should move in the halls. c. They are three laws that were formulated by Sir Isaac Newton, that describe how objects move in relation to the forces acting on them.

29. What happens to the distance of the propeller-driven vehicle when you increase turns on the propeller? a. The number of turns do not affect the distance. b. The distance increases with increased turns. c. The distance decreases with increased turns.

30. What was your favorite part about studying Motion and Design? Why?

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