Lab Safety
Measurement
Microscope
Scientific Method
Living Things/Ecology 1
Living Things/Ecology 2
Cells
Matter/ PT 1
Matter/PT 2
Waves
100
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.
100
What is the measurement at D?
5.3 cm
100
What is the TOTAL MAGNIFICATION of the HIGH power objective?
10 (eyepiece) x 40 (high power objective) = 400x
100
What was the responding/dependent variable in our toilet paper experiment?
The strength of the toilet paper brand
100
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
100
What breaks down dead and decaying organisms and returns nutrients back into the environment?
Decomposers (NOT scavengers, they do not recycle nutrients)
100
What is the equation for photosynthesis?
Sunlight + CO₂ (carbon dioxide) + H₂O (Water) →
sugar (energy) + O₂ (Oxygen)
100
What is the difference between a physical change and a chemical change?
A physical change is a change that occurs where a new substance is not created. A chemical change involves the creation of a new substance.
100
How many electrons are in the each of the 4 energy levels?
1st energy level - 2 electrons
2nd energy level - 8 electrons
3rd energy level - 18 electrons
4th energy level - 32 electrons
100
Which color wave has the longest wavelength?
Red
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
100
What is the job of the nucleus?
It is the brain of the cell and directs cell activities.
100
Matter is anything that has _______ and _______.
Mass and Volume.
100
What is a proton and how do you figure out how many there are in an element?
A proton is a positively charged particle and you can look at the atomic number to figure out how many there are in an element.
100
Which of the following represents the crest?
1
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.
200
What are 3 differences in the organelles of plant cells and animal cells.
Plant cells have chloroplast, a cell wall, and a large central vacuole. Animal cells do not have chloroplasts or a cell wall, and have multiple small vacuoles.
200
Describe the shape, volume, energy, and particle spread for a gas.
Gasses have no definite shape, no definite volume, high energy, and the particles are spread the farthest apart.
200
What is an electron and how do you figure out how many there are in an element?
An electron is a negatively charged particle and you can look at the atomic number to figure out how many there are in an element.
200
Which of the following represents the trough?
2
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
300
List the 3 parts of the cell theory.
1. All organisms are made up of one or more cells.
2. Cells are the basic units of structure and function in all living things
3. All cells come from cells that already exist.
300
Describe the shape, volume, energy, and particle spread for a liquid.
Liquids have no definite shape, a definite volume, medium energy, and the particles are spread the a bit apart.
300
What is a neutron and how do you figure out how many there are in an element?
A neutron is a neutral particle with no charge and you can do atomic mass - atomic number to figure out how many there are in an element.
300
Which of the following represents the amplitude?
4
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)
400
What process does the mitochondria do and for what purpose?
Cellular respiration, in order to produce energy.
400
Describe the shape, volume, energy, and particle spread for a solid.
Solids have a definite shape, a definite volume, low energy, and the particles are closest together.
400
Give 3 examples of a heterogeneous mixture.
Cereal in milk
Salad
Fruit Salad
Chex mix
Lucky Charms
Fruit Loops
etc.
400
Which of the following represents the wavelength?
3