Landfills & waste management
What is the most common type of trash found in homes?
Food scraps
What is a renewable resource?
A resource that can be replaced naturally over time
What is one main cause of climate change?
Burning fossil fuels like coal, oil, and gas
What is an ecosystem?
A community of living things and their environment working together
What is heredity?
The passing of traits from parents to offspring
What is one way to measure the volume of trash at home?
Weigh the trash.
Why is it important not to waste water?
Because clean water is a limited and important resource
What does the global warming mean?
The Earth is getting warmer because of pollution and greenhouse gases
What are producers?
Plants that make their own food using sunlight
What is genetics?
The study of how traits are passed from parents to offspring
Why are landfills built in layers?
To keep trash from polluting the ground and water
What is a drought?
A long period without enough rain or water
What does the ozone layer protect us from?
Too much sunlight and harmful UV rays
Which is a population in science?
A group of the same kind of living things living in the same area
Why is Mendel called the “father of genetics”?
He studied how traits are passed down using pea plants
About how much trash does the average person in the U.S. make in a day?
4.5 pounds
What causes water shortages?
Pollution, droughts, and using too much water
What is the greenhouse effect?
When gases in the atmosphere trap heat and warm the Earth
What is the source of energy for most ecosystems?
Which answer is true for dominant traits?
Dominant traits can hide recessive traits.
Dominant traits are usually written as capital letters.
Dominant traits and recessive traits are equally as common.
All of the above.
All of the above!
What material makes up most of the trash from food packaging?
Plastic
Twist! How do dominant and recessive traits work?
Dominant traits hide recessive traits when both are present
What happens to sea levels during climate change?
Sea levels rise because ice melts and oceans get warmer
Twist! Can the environment affect traits?
Yes, the environment can change how traits appear. Why?
What did Gregor Mendel discover?
Each trait is controlled by two factors (genes), and one can be dominant over the other