Energy
Name 3 types of energy.
Heat, Light, Sound
Name one job of our bones
support our body
protects our organs
makes blood for our body
What do plants need to survive?
air, water, sunlight ,space, nutrients
What is Motion?
movement
Define the word repel?
push away
Name 2 examples of light sources.
sun, candle, flashlight, lamp,
Where in our body are our smallest bones located?
ear-Ossicles
What do animals need to survive?
air, water, food, shelter
How do forces make objects move?
By pushing or pulling the object
Define the attract?
pull together
How does sound travel?
Sound waves
What helps our bones stay strong?
calcium and exercise
How does an animals coloring help it to survive in its environment?
Camouflaging- helps animals to blend into their surroundings so predators can't see them and it makes it easier for them to sneak up on prey.
Name a type of force.
Gravity, friction, magnetism
What kind of metal is attracted to a magnet?
iron, steel, nickel, cobalt
How can sound move an object?
with sound waves
Why are bones important to our body?
They help us stand up and move. They support our body. They produce blood for our body and they protect our organs like our lungs, and brain..
Name 1 characteristic of all living things.
All living things reproduce, grow, move on their own, need air, food, and water and will eventually die.
How does friction effect a moving object?
slows it down or stops it
Will a magnet attract the nickel coin? Why?
No, because the nickel coin must not have any nickel metal in it.
What produces sound?
vibrations
What connects our bones?
joints
Why do plants and animals need each other?
We depend on each other for food, protection, shelter, oxygen, carbon dioxide.
What is the difference between gravity and friction?
How are gravity and friction alike?
Gravity is a downward force and friction is a force that slows down an object by 2 surfaces rubbing together.
They are both forces that cause change.
Which magnetic poles attract and which magnetic poles repel?
North and south poles - attract
same poles - repel