Lab Safety
Measurement
Microscope
Scientific Method
Living Things/Ecology 1
Living Things/Ecology 2
100
What is the name of the following piece of equipment?
Ruler
100
What number is the metric system based on?
10
100
When you move the slide up, the image appears to move _________.
Down
100
What type of observation uses words to describe something?
qualitative observation
100
What is an adaptation?
A change within a species developed over time to help them better survive their environment.
100
What is the main source of energy in any ecosystem?
Sun
200
What is the name of the following piece of equipment?
Graduated Cylinder
200
What is mass?
The amount of matter in an object
200
How do you carry a microscope?
Using two hands, you hold the arm and base.
200
Define observation.
Gathering information using your senses
200
What is the difference between a stimulus and a response?
A stimulus is a change in the environment that causes a reaction whereas a response is the reaction.
200
What is the difference between a food chain and a food web?
A food chain is the flow of energy from one organism to another. A food web is multiple overlapping food chains.
300
What is the name of the following piece of lab equipment?
flask
300
What is volume?
The amount of space an object takes up
300
What do you use to change the amount of light coming through the microscope?
Diaphragm
300
What are the 3 definitions for hypothesis?
An educated guess
A scientific prediction
A potential solution to a problem
300
Define homeostasis.
An organism’s ability to maintain steady internal conditions when outside conditions change (good health)
300
What does an herbivore eat? Carnivore? Omnivore?
Herbivore- plants
Carnivore- meat
Omnivore- both plants and meat
400
Demonstrate Wafting.
*moving smell towards nose by pulling hand towards face*
400
What is the volume of the rock?
10 mL
400
Describe the eyepiece and its magnification.
The eyepiece is the top part of the microscope that you look through. It has a lens that magnifies 10x.
400
List the steps of the scientific method in order.
State the problem
Gather information
Form a hypothesis
Perform an experiment
Collect and record data
Analyze data
Form a conclusion
400
Which organism is a 1st consumer?
Snail
400
The first ORGANISM in a food chain or food web is ALWAYS a _________.
Producer (NOT a plant, plants are types of producers but not all producers are plants)
500
List 3 lab safety rules.
No eating or drinking
Always waft
Wear goggles
Follow directions at all times
Always have supervision of a teacher or parent
No horseplay
etc.
500
What is the measurement at D?
5.3 cm
500
What is the TOTAL MAGNIFICATION of the HIGH power objective?
10 (eyepiece) x 40 (high power objective) = 400x
500
What was the responding/dependent variable in our toilet paper experiment?
The strength of the toilet paper brand
500
List 5 features of all living things.
Use Energy
Respond to Stimuli
One or more cells
Life Span
Locomotion (moves)
Maintain Homeostasis (good health)
Adapt - organisms change over time to survive their environment
Reproduce - continuation of the species by making offspring
Grow and Develop
500
What breaks down dead and decaying organisms and returns nutrients back into the environment?
Decomposers (NOT scavengers, they do not recycle nutrients)