Science Tools
Lab Safety
Scientific Method
Process Skills
Mixed Review
100
Which of the following is an example of correctly using a scientific tool?(5.4A)
A. A scale can be used to measure the length of a snail.
B. A graduated cylinder can be used to collect pond snails.
C. A hand lens can be used to observe how snails move.
D. A microscope can be used to measure the mass of a pond snail.
C. A hand lens can be used to observe how snails move.
100
A student drops a large glass beaker on the floor, where it breaks. What should the student do first? (5.1A)
A. Sweep up the broken glass with a broom and dustpan
B. Tell the other students not to use the glass beakers
C. Use the heavy gloves to pick up the broken glass
D. Tell the teacher about the broken glass
D. Tell the teacher about the broken glass
100
Gabriel is designing an experiment to see whether sugar or artificial sweetener will attract the greatest number of ants. Which statement best describes why Gabriel should write down his experimental procedure? (5.2E)
A. The exact experiment can be repeated by others and the results compared.
B. The experiment can be changed by others to get different results.
C. The data will help people decide what type of sweetener to use.
D. The data will show people which ants are more common.
A. The exact experiment can be repeated by others and the results compared.
100
Lydia measured three objects in her classroom. The objects are represented by the lines above this centimeter ruler.(5.4A)
What is the total length of all three objects when you round each object to the nearest centimeter?
A. 7 cm
B. 17 cm
C. 10 cm
D. 14 cm
D. 14 cm
100
What is an observation?
A fact, something you discover using your 5 senses.
200
Mrs. Beaker is performing a demonstration for her class using materials from List A. Which group of items from List B should also be available during her demonstration?(5.1A)
A. I
B. II
C. III
D. IV
B. II
200
Which should not be done when performing a science experiment?(5.1A)
A. Wear safety goggles.
B. Listen to the teacher give directions and then read the instructions.
C. Watch what everyone else is doing to be sure you’re doing the right thing.
D. Pick up materials and clean up after the procedure.
C. Watch what everyone else is doing to be sure you’re doing the right thing.
200
A small wax candle was left outside Monday night. The candle was observed every morning for four days. By looking at the picture of the candle throughout the week, what can you conclude about each day's temperature? (5.2D)
A. The temperature decreased each day.
B. The temperature increased each day.
C. The temperature stayed the same each day.
D. All of the above.
B. The temperature increased each day
200
Craig was measuring the capacity of a liquid in this beaker. He said there was
500 ml of liquid in the beaker. His lab partner, Brogan said there was 450 ml of liquid
in the beaker. Who was correct?(5.4A)
A. Craig
B. Brogan
C. They are both wrong.
A. Craig
200
What is an inference?
Based on your observations, something that you think is happening.
300
Which task would require the use of a hand lens?(5.4A)
A. Measuring the growth of a plant
B. Observing the vein pattern of a leaf
C. Recording the results of mixing two liquids
D. Creating a model of the solar system
B. Observing the vein pattern of a leaf
300
A student will be using a hot plate to boil water for an experiment. What should the student do before plugging in the hot plate?(5.1A)
A. Turn the hot plate power switch to the “ON” position.
B. Make sure you’re sitting next to your lab partner.
C. Fill the beaker with hot water so that it boils faster.
D. Check the electric cord for tears and breaks before plugging it in.
D. Check the electric cord for tears and breaks before plugging it in.
300
Students in Mr. Saxon's science class were studying the life cycle of mold. They wanted to find out whether mold needs light to grow. Each group placed one piece of bread in a dark closet. After four days, the students observed the piece of bread. All groups had various amounts of mold growing on their bread.
Using the above scenario, answer questions 8-10.
8. What variable are the students testing in this experiment? (5.2A)
A. mold
B. light
C. bread
D. closet
B. light
400
Students cleaning up after an experiment discover there are chemicals left in a few of the beakers. Which of the following is the MOST appropriate safety procedure for the students who discovered the leftover chemicals?(5.1B)
A. Pour the chemicals back into the original containers.
B. Throw the chemicals in the trash can.
C. Follow the teacher’s instructions for disposal.
D. Pour the chemicals down the drain.
C. Follow the teacher’s instructions for disposal.
400
Students in Mr. Saxon's science class were studying the life cycle of mold. They wanted to find out whether mold needs light to grow. Each group placed one piece of bread in a dark closet. After four days, the students observed the piece of bread. All groups had various amounts of mold growing on their bread.
What is the testable question being investigated by Mr. Saxon’s science class? (5.2B)
A. Does mold need light to grow?
B. Does mold only grow in a closet?
C. Does mold need bread to grow?
D. Will mold grow in four days?
A. Does mold need light to grow?
500
A group of students performing tests using two white powders that look like salt and sugar. Which is the BEST way to tell the powders apart during the experiment?(5.1A)
A. Label the containers.
B. Feel their texture
C. Closely observe the powders.
D. Taste them.
A. Label the containers.
500
Students in Mr. Saxon's science class were studying the life cycle of mold. They wanted to find out whether mold needs light to grow. Each group placed one piece of bread in a dark closet. After four days, the students observed the piece of bread. All groups had various amounts of mold growing on their bread.
What is a reasonable conclusion that Mr. Saxon’s students can construct using the evidence collected? (5.2D)
A. Mold needs a closet in order to grow.
B. Mold only grows on bread.
C. Mold only grows in dark places.
D. Mold can grow in the dark.
D. Mold can grow in the dark.