What is weathering?
The breaking down of rocks into smaller pieces.
Which is renewable: sunlight or coal?
Sunlight
Which body system helps you breathe?
Respiratory system.
What is a habitat?
The place where an organism lives.
What is the main job of roots?
To absorb water and nutrients
What is erosion?
The movement of rock, soil, or sediment from one place to another.
Name one renewable energy source.
Solar, wind, water (hydroelectric)
What organ pumps blood through the body?
Heart
How do thick fur or feathers help some animals survive?
They help keep animals warm.
What part of a plant makes pollen?
The stamen
Name one thing that can cause erosion.
Water, wind, ice, or gravity.
Why is coal considered a nonrenewable resource?
It takes millions of years to form and cannot be replaced quickly
Which body system gives your body support and protection?
Skeletal system.
Why do animals have structures such as claws, beaks, or sharp teeth?
They help animals survive by finding food, protecting themselves, or interacting with their environment.
In our celery experiment, how did the water move through the celery stalk?
Through the internal tubes/veins.
A river carried sand downstream and drops it along the riverbank. What process is happening?
Deposition
How can solar panels help people?
They convert sunlight into electricity.
What happens to oxygen after you breathe it into your lungs?
It moves into the bloodstream and is carried throughout the body.
A duck has webbed feet. How does this help the duck survive?
It helps the duck swim efficiently.
Why do leaves help a plant survive?
They make food for the plant using sunlight.
Explain the difference between weathering and erosion.
Weathering breaks rocks apart; erosion moves the pieces.
Would a town with many windy days be a good place for wind turbines? Explain why.
Yes, because wind turbines need moving air to generate energy
How do the respiratory and circulatory systems work together?
The respiratory system brings oxygen into the lungs, and the circulatory system carries that oxygen throughout the body.
Choose an animal and explain one structure that helps it survive.
Anwers will vary
How do roots, stems, and leaves work together to help a plant survive?