FORCES
What are 3 invisible forces we have on Earth?
Gravity, magnets, and static electricity
The strongest shape is a ______________
Triangle
T or F: Earth worms destroy the soil
False
What are the 4 main things plant need to survive?
Air, water, nutrients (food), and a good environment (soil)
This part of a plant anchors it to the soil and absorbs water and nutrients.
Roots
Every magnet has a _____________ and _________ pole
North & South
Name 2 man-made structures and 2 natural made structures
What is organic matter in soil?
Organic matter are living organisms such as worms, bugs, leaves that have died and are decomposing into the soil
What is the process called in which plants use the sun's energy to make food
Photosynthesis
What are the 4 plants in the Indigenous Medicine Wheel
Sage, tobacco, cedar, and sweet grass
What is the invisible force that keeps your feet on the ground and pulls apples from trees?
Gravity
What country are these famous structures located?
Taj Mahal and Sydney Opera House
India & Australia
It holds water the best, feels smooth and sticky, and plants can have a hard time growing in it if there's too much.
Clay
Explain what the job of the plant stem is
The stem gives the plant structural support to stand up straight, and acts like a road system to transport water
In the 'Rot Squad' Magic School Bus episode, they said "rot is naturing ____________ itself"
Recycling
What happens when you put a North Pole and North Pole from magnets together?
They repel
If a Jenga game is wobbling, is the structure stable? Why or why not
No, because for something to be stable, it is strong and standing firm and able to handle weight
Name 3 of the 5 layers of soil
Humus, top soil, sub soil, parent material, bedrock
Put this plant life cycle in order:
Fruit, seed, budding seedling, roots grow, flower, germinates
Seed, germinates, roots grow, budding seedling, flower, fruit
Do humans have joints? Explain.
Humans have joints that connect our skeleton (bones) to each other allowing us to move.
It can attract objects without touching them, makes your hair stand up during a thunderstorm, and is responsible for that shock you get when touching a doorknob.
Static electricity
A structure is a __________ that has a shape, __________, and purpose. It can ____________ a load.
Solid...size...hold
Name 3 types of soil and which one is best for growing plants
Sand, clay, loam. Loam is the best
Explain two ways seeds can travel
Wind, water can carry them, birds can carry them, animals can carry them
This force opposes the motion of objects sliding or rolling on surfaces and can cause them to slow down or stop (think Magic School Bus baseball episode)
Friction