Science Terms and Definitions

14 Questions

What is the main reason why maggots appeared in the open jars in Redi's experiment?

The meat was exposed to air

What is the key concept supported by Redi's experiment?

Living organisms come from other living organisms

Why is it important for scientists to make accurate weather predictions?

to help people prepare for and respond to various weather conditions

What is a common method of investigation used by scientists to find answers to scientific questions?

Experimenting with different variables

What is one reason believed to have contributed to the extinction of the Megalodon shark?

Decline in prey availability

Which of the following is an example of a scientific question?

How do birds migrate to different locations?

What is a variable in a scientific experiment?

Any condition that can be changed in an experiment.

What is the definition of an opinion?

A personal belief or judgment that does not need to be backed up with evidence.

What is the role of a paleontologist ?

A scientist who studies fossil remains of dinosaurs.

What is the term for the sharing of information?

Communication

What is the profession of a scientist who makes predictions about the weather?

Meteorologist

What is the observation about the Megalodon Shark?

It is a large animal whose body can grow to be 60 feet long.

What is the inference about the Megalodon Shark?

It is an extinct species of shark.

In Francesco Redi's experiment on rotting meat, what did he use as the control group?

Meat placed in a sealed container

Study Notes

Matching Terms and Definitions

Variable: Any condition that can be changed in an experiment
Palaeontologist: A scientist that studies fossil remains of dinosaurs
Meteorologist: A scientist that makes predictions about the weather
Communication: The sharing of information
Opinion: A personal belief or judgment that does not need to be backed up with evidence

Observation, Inference, and Opinion about Megalodon Shark

Observation: The Megalodon shark has massive teeth reaching 7 inches in length and can grow up to 60 feet long
Inference: The Megalodon are an extinct species of shark
Opinion: The Megalodon shark is a fascinating creature that must have been a formidable predator in the ocean ecosystem

Francesco Redi's Experiment on Rotting Meat

Step 1: Make an Observation - Maggots appeared on rotting meat
Step 2: Asking Questions - Where did the maggots come from?
Step 3: Propose a Hypothesis - Maggots may come from fly's eggs
Step 4: Make a Prediction - If the meat is placed in a sealed jar, maggots will not appear
Step 5: Conduct an Experiment - Redi placed meat in two sets of jars, one covered with gauze and one left open
Step 6: Draw a Conclusion - Maggots come from fly's eggs, not from the meat itself, thereby disproving the theory of spontaneous generation

Importance of Good Weather Predictions

Good weather predictions are important for planning and preparing for natural disasters, such as hurricanes or tsunamis
Accurate weather forecasts can help prevent loss of life and property
Good weather predictions can also help farmers plan and prepare for planting and harvesting crops

Methods of Investigation

Experiments: controlled tests to investigate a specific phenomenon
Observations: watching and recording natural phenomena
Surveys: collecting data through questionnaires or interviews

Investigative Methods

What happens to plant growth when we give them different amounts of water? - Experiment
How do birds move from one place to another throughout the year? - Observation
How can we predict the movement of a boat in different types of water currents? - Experiment and Modeling

World's Scariest Animal

The world's scariest animal is subjective and can vary from person to person
Some might think it's the Megalodon shark due to its massive size and predatory nature
Others might think it's the venomous inland taipan snake due to its deadly venom and agility