SpongeBob loves to garden and wants to grow lots of pink flowers for his pal, Sandy. He bought a special Flower Power fertilizer to see if it will help the plants produce more flowers. He plants two plants of the same size in separate containers with the same amount of potting soil. He places both plants in a sunny window and waters them every day: one with fertilized water and one without fertilizer. He counts the flowers of each plant each day for two months.
The number of flowers he counts represents what variable?
What is The dependent variable
100
What form of reproduction are offspring identical to each other and to their parents?
What is asexual reproduction
100
What tool can you use to measure metric length?
What is meter stick
100
Water molecules are polar (charged), with the oxygen side being slightly ____________ and the hydrogen side being slightly ____________.
What is negative, positive
100
Any part of an organism's environment that causes a reaction
What is a stimulus
200
A scientist designed an experiment to test the effect of temperature on bacterial growth. He grew three different cultures of the bacterium E.coli under three heat lamps at different temperatures. What was the independent variable in this experiment?
What is temperature
200
organs are two or more ___________ coming together to perform a function.
What is tissues
200
Metric units have prefixes that represent multiples of the base. What is the prefix for 1000.0?
What is kilo
200
True or False: Ice is denser than water?
What is False
200
a solution that has an excess of H+ (hydrogen) ions
What is an acid
300
A scientist testing the affects of a chemical on apple yield, sprays an orchard with the chemical. A second orchard does not receive the chemical. In the fall, the number of apples harvested from each orchard is counted. Which of the following is the independent variable in the experiment?
What is the chemical
300
The smallest unit capable of carrying out life functions is
What is a cell
300
convert the units .256Dm into mm
What is 2,560mm
300
Lil Wayne is trying to come up with a new soft drink brand called Skillz. He does not know much about acids and bases but he is determined to create this drink. What numbers on the pH scale should Lil Wayne's drink measure when tested?
a.0-1
b.7
c.2-4
d.9-11
What is 2-4
300
The development of an embryonic stem cell into a nerve, muscle, skin, or blood cell is called __________.
What is differentiation
400
A scientist testing the affects of a chemical on apple yield, sprays an orchard with the chemical. A second orchard does not receive the chemical. In the fall, the number of apples harvested from each orchard is counted.
In order for this apple tree experiment to be valid scientifically, both orchards must:
a. receive the same amount of sunlight
b. receive the same amount
c. have the same species of apple tree
d. all of the above
What is all of the above
400
In order to maintain homeostasis, it is most important for an animal to be able to _________ __ __ _______.
What is respond to its environment
400
Metric units have prefixes that represent multiples of the base. What is the prefix for a tenth?
What is deci (d)
400
The Property of water whereby molecules tend to stick to different molecules is called _______.
What is adhesion
400
Species that use light energy are called _________.
What is phototrophs
500
You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth sunflower plant receives pure water. After a two week period, the height is measured. What is the dependent variable in this experiment?
What is the height of plant
500
What is required of all living things? Name all 8
What is DNA, Organization, Growth, Reproduce, Energy, Adaptation, Cell, and Homeostasis
500
Dr.O is playing in her garden again. She needs 1kg of potting soil for her plants. She has 750g. How much more does she need?