Scientific Method
Matter/Energy
Waves
Cells
Systems
100

What is a hypothesis?

Scientific Guess

100

What is a simple definition of energy?

the ability to do work

100

What state of matter does sound travels fastest through?

Solid

100

What type of cells will have chloroplast and cell wall?

Plant

100

What is the function of the skeletal system?

At least one of the following:

Framework, 

protection of organs, 

production of RBC

200

What is an independent variable?

the variable that you are independently changing

200
What are the three forms of heat transfer?

Conduction, convection, radiation

200

The amplitude of a wave indicates what part of sound?

Volume

200

What is the main function of lysosome?

Take care of waste

200

What system delivers nutrients to all cells?

Circulatory system

300

What is a dependent variable?

what you measure and what is affected in an experiment

300

How does convection allow for heat to rise?

The cold air is more dense and pushes the hot air upwards. The cold air that is upward then is pushed down, creating a cycle.
300

What is the biggest difference between the way sound and light travels?

Light travels through space, while sound needs medium to travel

300

If cell cannot reproduce, what organelle is not functioning?

Nucleus

300

Explain, how does circulatory and respiratory systems work together?

Respiratory - inhales O2, exhales CO2

Circulatory - takes O2 to every cell,

brings back CO2 back to the lungs to be exhaled

400

A student is conducting an experiment to determine how different amounts of fertilizer affect the growth of sunflower plants. In the experiment testing the effects of different amounts of fertilizer on sunflower growth, which factor is the dependent variable?

the growth of the plant depends on the amounts of fertilizer applied

400

What is the order of states of matter from least dense to most dense?

Gas, Liquid, Solid
400

How do you soundproof your room? 

Carpet on the floor (or walls)

Cork pannels

Wall paper

Blinds, Curtains, Furniture

400

What question was not included in the cell theory?

origin and nature of the 1st cell

400

Explain, how muscular and skeletal systems work together

Muscular -contracts and relaxes pulling skeletal system to create movement

Skeletal  surves as a frame for muscular 

500

Sarah wants to investigate how different heating times affect the popping rate of popcorn kernels in a microwave. She places three batches of kernels in the microwave for varying times: Batch A for 1 minute, Batch B for 2 minutes, and Batch C for 3 minutes. What is the independent variable in Sarah's experiment?

The time Sarah set for each batch. 


500

What determines the temperature of an object

EITHER: Movement/speed of particles OR level of Kinetic energy

500

Explain the process that produces echo

Sound is produced by the source (vocal cords example)

Most of the sound bounces of the surface

Some gets absorbed by the material (mountains, walls)

500

How will you feel if mitochondria is not working properly?

Tired, Sloggish

500

Explain, how nervous, muscular, respiratory systems work together

Nervous - sends signal via motor nerves for diaphram to contract/relax

diaphram is a muscle that makes lung inhale and exhale


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