Science All Around Us
What is science the study of?
•The world around us.
Name one thing all living things need to survive.
Air, food, or water.
What does the 'M' in MRS GREN stand for?
Movement.
What is the first step of the scientific method?
Ask a question.
All living things are made up of _____
cells.
Who studies science?
Scientists
Give an example of a non-living thing.
Rock, bottle, pencil, etc.
What does 'R' stand for in MRS GREN (first R)?
Respiration.
What is a hypothesis?
An educated guess that can be tested.
When your body gets too hot, your body begins to sweat to cool down. This is an example of ______.
homeostasis.
What is a variable in an experiment?
Something that can change.
What can living things do that non-living things cannot?
Grow, move, breathe, eat, reproduce.
Which life process means 'responding to changes around you'?
Sensitivity.
What step comes after forming a hypothesis?
Test it (do an experiment).
The _____ stays the same throughout an experiment.
Control
What should you wear to protect your eyes in the lab?
Goggles.
What does a living thing need that a non-living thing does not?
Food, air, water, space, or shelter
What does 'E' stand for in MRS GREN?
Excretion.
Why do scientists share what they learn?
So others can learn or repeat their experiments.
A ________ variable is what you are measuring in an experiment.
dependent
Explain the difference between Independent and Dependent Variables.
Independent variables is what the scientist changes, and dependent variable is what is being measured
Is a seed living or non-living?
Explain.
Living—it can grow into a plant.
Give all seven life processes in order.
Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition.
What step helps scientists decide if their hypothesis was right or wrong?
Drawing conclusions.
Describe the difference between Biogenesis and Spontaneous Generation.
Biogenesis theorizes that living things come from living things whereas spontaneous generation theorizes that living things come from non living things.