Variables
A variable that does not depend on another
Independent variable
What are the three states of matter?
solid, liquid, gas
What is a transverse wave?
move side to side or up and down
Cells can be categorized as single-celled and multicellular. True or false?
True
How do you calculate the total magnification of a specimen?
always carry with one hand on the arm and one hand under the base
One math class studies for an assessment while the math class next door does not. The scores of the two classes are compared. What is the independent variable?
Independent variable = whether they studied for the test or not
What is the state of matter of milk?
liquid
The bending of waves due to a change in speed as they enter a new medium is called
Refraction
structures in the cytoplasm of eukaryotic cells are called
organelles
Bacteria and protist are classified as unicellular organisms because
they do not have a nucleus
Ana wanted to know if eating apples gave her better grades. On day 1, she didn't eat any apples. Each day after she ate one more apple than the day before. At the end of each day she recorded her grades. What is the independent variable?
Independent variable= number of apples she ate each day
Salt has particles arranged in a pattern and melts at a distinct (exact) temperature. What type of matter is salt?
Crystalline
The distance that a wave moves from the normal/resting position is the
amplitude
Breaks down food molecules, cell waste, and work-out cell parts.
lysosome
Find the DV: How does the amount of oxygen in the water affect the oyster population?
Oyster Population
Coach wanted to see if music would help the players. On day 1, he didn't play any music & counted the baskets made in 10 min. Day 2 he played rap & counted the baskets. Day 3 he played country & counted the baskets. What is the dependent variable?
Dependent variable = the number of baskets they made
Particles with LESS energy are at a ________ temperature
lower
Frequency
How many wave peaks pass a certain point per given time.
stores materials such as water, waste products, and food; 1 large in plant cells, many small in animal cells
Vacuoles
Because water molecules attract each other, this creates ___________.
Surface tension
Jason wanted to know what fertilizer worked best for growing marigolds. He put Miracle Grow on one, Scotts fertilizer on one, and nothing on another. He measured the height of the marigolds after one month. What is the dependent variable?
Dependent variable = height of the marigolds
Glass has particles that are not in a pattern. It does not melt at a distinct (exact) temperature. What is glass?
What type of wave needs matter to move
Mechanical Waves
controls all cell activities, contains genetic material, and where mitosis happens
nucleus
Low Frequency AND High Amplitude
Low pitch and loud