Why do objects slow down or stop?

Because friction can cause objects to slow down or stop.

What must happen for an object to change speed or directions?

A force cause an object to move or accelerate/decelerate.

How are nerves beneficial?

Nerves send information to the brain

What are the functions of skin?

Protection, regulation of temperature and sensation.

What are the primary functions of the skeletal/ muscular systems?

Support the body, allow motion, and protect organs.

Motion is a change in position of an object.

A force that attracts things toward each other.

How muscles are useful for?

Support movement, help maintain posture

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Review Force, Motion, Human Body

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Answers

1
Why do objects slow down or stop?
Because friction can cause objects to slow down or stop.
None
Because matter can stop objects
Because molecules can slow down objects
2
When a force acts on an object it will result in a change of ...
Speed and / or direction.
Mass and gravity
Speed and weight
Gravity and light
3
What are bones made of?
Salt, calcium and protein
None
Collagen, calcium phosphate
Sugar, calcium phosphate
4
Can bones grow/change?
Yes, bones contain water and oil that help them grow
No, bones can't grow beacuse they are hard
No, bones don't change or grow
Yes, bones have living tissue
5
What must happen for an object to change speed or directions?
A force cause an object to move or accelerate/decelerate.
A force can cause an object to move and break.
A force can cause an objec to move and get light
All of them
6
How are nerves beneficial?
Nerves protect the body from viruses
Nerves pump blood
Nerves send information to the brain
Nerves clean the heart
7
What are the functions of skin?
Sensation, motion and digestion of food.
Protection, motion and circulation
Sensation, gravity and moisturization
Protection, regulation of temperature and sensation.
8
What are the primary functions of the skeletal/ muscular systems?
None
Support the body, allow motion, and protect organs.
Allow motion and grow hair
Warm the body, circulate blood, and breath
9
What kind of force is gravity?
Gravity force
Push force
None
Pull force
10
What is motion?
None
Motion is a change in position of an object.
Motion is the weight of an object.
Motion is matter
11
What is gravity?
A force that attracts things toward each other.
A force in the atomic particles
A force by which all things with mass or energy get lighter.
A force by which all things increase their molecules
12
What kind of forces act on objects?
Motion, friction and gravity
None
Motion, light and matter
Rotation, weight and tension
13
How muscles are useful for?
Support movement and breath
None
Help maintain posture and eat
Support movement, help maintain posture

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