Scientific Inquiry
Lab Tools and Safety
Understanding Charts and Graphs
Communicating Data
Ecosystems
100
Jada is doing an experiment. She wants to find out if bananas go bad faster if they are in the refrigerator. To find out, Jada will place five bananas on the counter. She will put five more in the refrigerator. She will record how many days it takes for each to turn brown. Which is the best prediction Jada could make about her project?
A. The bananas on the counter will turn brown first.
B. Bananas go bad faster than pears.
C. Bananas taste better than apples.
D. The bananas on the counter turned brown in five days.
A.
100
Harry is heating a chemical in a test tube. What safety precaution should Harry take?
A. Put a tight lid on the test tube.
B. Wear plastic gloves.
C. Heat the test tube on an open flame if possible.
D. Point the test tube away from himself and others.
D.
100
Use the data in the chart to make a conclusion on pH value and Plant growth.
A pH of 4-5 will give the highest plant growth. Answers will vary.
100
During a scientific study, Tracy found that taking small amounts of zinc can help people recover more quickly from a cold. During the experiment, Tracy carefully wrote down every step of her methods and all of her results. What should Tracy do next?
A. Contact journalists about her work.
B. Hide her methods and results so that no one can steal her ideas.
C. Share her results with other scientists so that they can try to repeat her experiment.
D. Share her results, but hide her methods so that other scientists cannot replicate her experiment.
D
100
A group of the same species living together in the same area is called a ___________.
Population.
200
When doing an experiment what is the name of the variable that is being tested in the experiment.
Independent Variable
200
Greg's teacher tells the class that they will be doing an experiment in the laboratory today, and that the experiment will involve working with several chemicals. What should Greg do before beginning the experiment? Select all that apply
A. put on his safety goggles
B. listen to his teacher's instructions
C.make sure the lab area is clean
All
200
Using the table below. Make a conclusion on why sound travels best in the material provided.
The atoms in steel are tightly compacted therefore causing sound to vibrate faster between atoms.
200
When looking at data in the experiment it would be unethical to change the data to fit your hypothesis.
True/False
True
200
An organisms job within the community would be its _________.
Niche
300
Carlos is doing a science project. He wants to find out which school subject his classmates like best. He will ask them to choose science, math, or recess as their favorite subject. Which is a prediction Carlos could make for his project?
A. I found out that 15 people like math.
B. Most students like science best.
C. First, I will ask everyone which subject they like best.
D. There are more boys than girls in my class.
B.
300
When doing a lab a student stumbles upon these three images. What danger does each symbol mean?
Laser Radiation
Gamma Radiation-Nuclear
Explosion Hazard
300
Using the linear graph below at what times did the object remain at a constant speed.
7-10 Seconds
300
Based on the graph which is untrue?
A. Fertilizer A had the worst impact on plant growth.
B. Fertilizer C was not as helpful as Fertilizer B.
C. The difference between Fertilizer A and B is 12 inches.
D. Fertilizer B had the worst impact on plant growth.
D
300
State one positive and one negative humans can do to an ecosystem.
Vary.
400
For their experiment, the students set up five containers in the same place, each with the same type of worm. They measured the starting weight of each worm before they began, and then offered the same amount and type of food to all the worms. What data must they collect during their experiment?
A. the amount of food consumed and the length of the worms
B. the color of the food and the final weight of the worms
C. the type of food consumed and the final weight of the worms
D. the amount of food consumed and the final weight of the worms
D.
400
A science class is doing a laboratory experiment with unknown liquids. What safety equipment should be in play?
A. gloves
B. an apron
C. goggles
D. all of these
A.
B.
C.
400
Does Graph 1 2 or 3 show the fastest acceleration?
3
400
Gregory is planning an experiment to determine what kind of food the squirrels at his local park prefer. He will place peanuts, sunflower seeds, and acorns at the park in identical containers and record how much of each food that the squirrels eat. Why should Gregory keep careful records of all of the procedures that he uses during his experiment?
A. so that other people can feed the squirrels at their local park
B. so that other people can repeat the experiment and compare results
C. so that other people can steal his ideas and claim them for their own
D. so that other people know whether to eat peanuts, sunflower seeds, or acorns
B
400
Describe the different teeth structures between herbivores and carnivores.
Herbivores have flat teeth to grind up plant matter.
Carnivores have sharp teeth to tear flesh.
500
When testing how the speed of a car is affected by its mass what are 3 controls that need to remain unaffected and what is the variable that is tested?
Surface type, car, start timer, stop timer,
Tested Variable-Mass.
500
Nick's science class is observing the growth rate of a tomato plant. The tomato plant grows 3 cm every week for 11 weeks. What is the total growth of the tomato plant during these 11 weeks?
A. 11 cm
B. 33 in
C. 36 cm
D. 33 cm
D. 33cm
500
Using the graph below state the speed the object is moving at the 6 second mark.
5 meters per second.
500
Reese learns in class that hot lava in a volcano is liquid rock. What would be a good model to help Reese understand how rock can change into a liquid?
A. clothes drying in a dryer
B. a ball rolling down a hill
C. ice melting into water
D. chocolate mixing with milk
C
500
What do you call the stages a frog or insect would go through. And list the stages in order.
Metamorphosis- egg, larva, pupa adult