Vocabulary
What do we call a fallen tree that helps other things live and grow?
Nurse Log
What do we call an organism that makes its own food?
Producer
What do we call anything that takes up space and has mass?
Matter
In which type of system can matter enter or leave?
open system
What do we call an organism that gets food by eating other organisms or their remains?
Consumer
What word means “to take something in,” like roots taking in water?
Absorb
Which plant parts absorb water?
Roots
What are the tiny pieces of matter too small to see with our eyes alone called?
Particles
Is a sealed bag that keeps all its contents inside an open or closed system?
What 2 things do animals get from food?
Energy and matter
What is one part of a system called?
Component
What gives the plant energy to make its food?
Sunlight
Where does most of the matter for plant growth come from?
Air and water
A sealed bag of ice and water weighs 100 grams. It stays sealed while the ice melts. What will it weigh afterward?
100 grams
Name a way a nurse log helps isopods survive.
Shelter, moisture, suitable cool conditions, or access to dead material for food.
What is the natural environment where an organism gets what it needs to survive?
Habitat
What food do plants make?
Sugar
What measurement tells us how much matter an object contains?
Mass (or weight)
What scientific idea explains why the total matter in a closed system stays the same?
Conservation of matter
How could matter that was once in a tree become part of a bear’s body?
A termite eats the wood and uses its matter. A bear eats the termite and uses matter from that food to build its body.