Worksheets2022 Biology Unit 0-1 Review
Total questions: 49
Worksheet time: 49mins
Independent variable
Dependent variable
Conclusion
Maya designed an experiment to answer the following question: How does the amount of water given to a lima
bean seed affect how tall it grows?
In this experiment, what variable should Maya CHANGE?
the amount of water
the kind of plant
the type of soil
the amount of sunlight it gets
Esther became interested in insulation while her parent’s new house was being built. She decided to determine which insulation transferred the least heat. She filled each of 5 jars half-full with water.
She sealed each jar with a plastic lid.Then she wrapped each jar with a different kind of insulation. She put the jars outside in the direct sunlight. Later, she measured the temperature of the water in each jar. What is the independent variable?
The type of insulation
The temperature of the water
Number of houses
The amount of sunlight
only 1
The type of variable that responds to the experiment and is what you measure or count to determine if your hypothesis is true.
Thomas tests different types of liquids to see which will grow his plants the most. He has water, soda, milk, and no liquid at all. What is the control group?
the one with water
the one with soda
the one with milk
the one with no liquid
Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed a tomato plant in 6 identical 10 inch pots with the same amount and type potting soil. She watered them ¼ cup each day. 3 plants were placed under a cardboard box and 3 plants were placed in the sunlight. She measured the growth of the plant each week for three weeks.
What is the dependent variable?
Using the same type of plant
Each plant was placed in a 10 inch pot
The growth of the plant
3 plants in the sunlight and 3 plants under a box
A scientist hypothesizes that the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is
Erin is testing to see how different amounts of nitrogen infused in the soil will impact the height of her corn plants. She puts two corn plants into two pots. One is filled with nitrogen infused soil and the other is not. She puts the regular soil pot outside and the nitrogen infused plant in her bathroom. The corn in the regular soil grows to 7 feet tall and the corn in the nitrogen soil grows to 2 feet tall.
What is the dependent variable?
The regular soil
The nitrogen infused soil
The height of the plants
The plant in the bathroom
Using the picture, identify the control group.
Trial 1
Trial 2
Trial 3
Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed a tomato plant in 6 identical 10 inch pots with the same amount and type potting soil. She watered them ¼ cup each day. 3 plants were placed under a cardboard box and 3 plants were placed in the sunlight. She measured the growth of the plant each week for three weeks.
What is the independent variable?
Using the same type of plant
Each plant was placed in a 10 inch pot
The growth of the plant
3 plants in the sunlight and 3 plants under a box
Sugar belongs to which class of macromolecules?
proteins
lipids
nucleic acids
carbohydrates
Glucose is an example of a
Carbohydrate
Lipid
Protein
Nucleic Acid
Which is a Carbohydrate's monomer?
Sugar
Amino acids
Monosaccharide
Nucleotide
A __________ consists of many monomers bonded together.
monomer
hydrocarbon
peptide
polymer
What is the measurement of the gray rectangle using the correct number of significant figures according to the tool used?
1.30
1.0
1.3
1.38
1.5
What is the length of the piece of wood? Use the correct number of significant figures.
4.0
4
4.1
4.10
What is the volume of the water?
Use the correct number of significant figures.
20.6
21.61
21.6
21
What is the volume? Use the correct number of significant figures.
50.6
56.0
56.00
57.7
56
What is the chemical symbol of water?
H2O
CO2
O2
N2
What is cohesion?
The ability of a molecule to "stick" to itself
The ability of a molecule to "stick" to other molecules
Large amounts of energy are required to change the temperature of a substance
A well-organized and efficient team
What do the green bonds represent?
Covalent Bond
Hydrogen Bond
Ionic Bond
What characteristic is shown in the image?
Polarity
Hydrogen Bonds
Cohesion
Adhesion
The variable that is measured. It goes on the y-axis.
Independent Variable
Dependent Variable
The cooler the temperature, the louder the crickets chirp.
The crickets cannot chirp at temperatures lower than 10 degrees C.
The warmer the temperature, the more often crickets chirp.
The temperature and the chirping of crickets are not related.
Which axis is the independent variable in an X-Y line graph?
X-axis
Y-axis
The heart rate is the ________________ variable.
