Science - Mechanical Objects / Forces and Motion

Question 1

_______ is the act of moving.

Answer 1

Force

Question 2

In what ways can an object move?

Answer 2

Up and down
Back and forth
Zig zag
Straight

Question 3

A pull or a push that makes something move is called a _______.

Answer 3

Force

Question 4

An object moves _______ when you apply more force.

Answer 4

Faster

Question 5

You need to apply _______ force to move heavier objects than lighter ones.

Answer 5

Greater

Question 6

Would you need more fore to move a book or a pencil? Why?

Answer 6

More, because a book is heavier and it doesn’t roll

Question 7

Is gravity a pull or a push?

Answer 7

Pull

Question 8

_______ pulls things toward the center of the earth.

Answer 8

Gravity

Question 9

Work happens whenever a _______ makes an object move.

Answer 9

Force

Question 10

How can you make a soccer ball roll just a little bit?

Answer 10

By using a little force when kicking it

Question 11

How could you make a baseball move really quickly?

Answer 11

By using a lot of force when throwing it

Question 12

How could you make a wagon move around a corner?

Answer 12

By pulling the wagon and changing direction by turning it around the corner

Question 13

What is gravity?

Answer 13

A force that pulls things towards the earth

Question 14

What is friction?

Answer 14

A force that makes objects that are moving slow down or stop

Question 15

How does friction change the motion of an object?

Answer 15

Friction makes an object slow down speed

Question 16

How can you make sure an object keeps moving when friction is making it slow down?

Answer 16

Apply more force

Question 17

List 5 examples of actions.

Answer 17

Push
Pull
Turn
Press
Electrical force

Question 18

Explain what a Turn is.

Answer 18

Complete or partial rotation

Question 19

Explain what it means to move horizontally.

Answer 19

Left-right translation

Question 20

Explain what it means to move vertically.

Answer 20

Up-down translation

Question 21

What do you call a movement where you are moving up-down and left-right all at the same time.

Answer 21

Helical

Question 22

List the possible results of applying a force.

Answer 22

Roll
Move forward
Move backward
Throw
Propel
Whip
Mix
Cut
Balance
Oscillate
Topple

Question 23

Movements can be _______ or _______.

Answer 23

Transmitted or transformed

Question 24

What is the transmission of movement?

Answer 24

The communication of the same movement from one part to another with possible variations in speed.

Question 25

Give an example of transmission of movement.

Answer 25

A marble that is rolling hits another marble and that one starts to roll. They are doing the same movement.

Question 26

What is the transformation of movement?

Answer 26

An action that changes the nature of the movement

Question 27

Give an example of transformation of movement.

Answer 27

Kicking a soccer ball. Your foot is moving forward but when you kick the ball it rolls. Your foot and the ball are doing a different movement.

Question 28

Chain and cog wheel. Is this an example of Transmission or Transformation?

Answer 28

Transmission - both cogs are turning

Question 29

**Gears** ## Footnote Is this an example of Transmission or Transformation?

Answer 29

Transmission - both gears are turning

Question 30

**Friction wheels** Is this an example of Transmission or Transformation?

Answer 30

Transmission - both wheels are turning

Question 31

**Pulley and belt** Is this an example of Transmission or Transformation?

Answer 31

Transmission - both wheels are turning

Question 32

**Wheel and worm gear** Is this an example of Transmission or Transformation?

Answer 32

Transmission - both the wheel and the worm are turning

Question 33

**Cam and roller** Is this an example of Transmission or Transformation?

Answer 33

Transmission - both the cam and roller are turning

Question 34

**Rack and pinion** Is this an example of Transmission or Transformation?

Answer 34

Transformation - the pinion is turning and the rack is moving from side to side

Question 35

**Rod and crank** Is this an example of Transmission or Transformation?

Answer 35

Transformation - the crank is turning and the rod is moving from side to side

Question 36

**Screw and rack or Screw and nut** Is this an example of Transmission or Transformation?

Answer 36

Transformation - the screw is turning and the nut is moving from side to side

Question 37

**Crank and slide** Is this an example of Transmission or Transformation?

Answer 37

Transformation - the crank is turning and the slide is moving from side to side

Question 38

What happens when you apply force?

Answer 38

You produce movement