What shape would be best for a tool made for digging?
Shovel head, flat, etc.
What would be one of the struggles an animal living in the Carboniferous Period might face?
Mud, water, wind, or climbing
What is gravity?
A force that pulls things toward the center of the earth/a force that pulls things toward anything with mass
Why do we want nets across any openings in a rainforest house?
To keep insects and animals out
What are adaptations?
What would a tool with a sharp point be used for?
Carving or food processing
How long ago was the Carboniferous Period?
Around 300 million (359-299 million years ago)
What does a pulley do?
Redirects a pulling force/redirects force
What is the biggest concern when building a house on stilts?
Stability/making sure the house doesn't fall down
What are fossils?
Preserved remains of animals or plants, typically older than 10,000 years
What material could you use to attach a handle to the head of a tool?
String, fiber, rope
Amphibian, early reptile, fish, synapsid, or giant insect
What does a lever do?
Increases an applied force
What are things houses can have to survive the rainforest?
Stilts, a big sloped roof, screened windows, air ventilation
Why is the Carboniferous Period called that?
What were ancient tools usually made of?
Stone and wood
Where did most modern coal come from?
What is friction?
A force that opposes the movement of an object/a force that reduces the speed of an object on a surface
What is cross-bracing?
Adding diagonal supports to pillars/stilts
Are humans the only animals that use tools?
No! Other species have been seen using tools, like apes, otters, crows, or dolphins
Why do we use tools?
To do things that we can't do with just our hands, to protect our hands, etc.
Explain what a trace fossil is compared to a body fossil.
A trace fossil shows evidence of activity, like a footprint or tail drag mark. A body fossil is the actual remains of an organism.
Why do we have to run multiple trials in science?
To make sure our results weren't just luck
What makes it hard to live in the rainforest?
High moisture can cause muddy, unstable ground. Warm temperature occur frequently along with high humidity, and flash floods and insects are common.
What is a force?
A push or pull on an object