Keenan wants to find out if a physical change will occur when he shakes a rock inside of a coffee can for 30 seconds.
2. Which of the following sets of lab equipment would allow him to BEST complete
his experiment?
F timer, triple beam balance
G ruler, timer
H ruler, graduated cylinder
J timer, thermometer
What is
F timer, triple beam balance
100
Herman partially filled a graduated cylinder with water. He then dropped a rock into the
water. The illustration below shows what happened to the level of the water inside the
graduated cylinder.
What is the volume of the rock?
A. 5 mL
B. 10 mL
C. 35 mL
D. 40 mL
What is A. 5 mL
100
What are 3 three physical properties of metal.
What is luster, malleable, and conductors
100
the ratio of the mass of a substance to the volume of the substance.
What is density
200
Six safety rules used when conducting lab & field investigations are
What is
Having all material & procedures
Using correct safety equipment
Following directions
Do not touch things without permission
Keep area clean
Follow accident procedures
200
What are five tools discussed in TEKS Breakdown 6.4A
What can include notebooks, beakers, petri dish, meter stick, graduated cylinder, hot plate, test tube, triple beam balance, microscopes, and thermometers
200
What does PASS mean when using a fire extingusher
What is Pull, Aim, Spray Sweep
200
What are three physical properties of non metals?
What are insulators, not malleable, and dull ( lacks Luster)
200
the amount of space that an object takes up or occupies
What is volume
300
When conducting a lab or field investigation what is the first step before beginning a experiment.
What is follow the teachers instructions ( answers may vary)
300
If you were measuring the distance of a toy car on several surfaces, what tool would be necessary to complete that task.
What is meter stick or ruler
300
In an emergency who should the student contact first.
What is the teacher
300
What are three physical properties of metalloids?
What are properties of both metals and non metals, could be dull or have luster, and can be conductors.
300
a measure of the amount of matter in an object
What is mass
400
Before beginning a lab activity in science class, a student reads the instructions. She sees the following safety symbol in the lab:
18. What does this safety symbol mean?
F The student should plug in all electrical equipment first.
G The student should follow all electrical safety guidelines.
H The student should avoid using electricity during this lab activity.
J The student should locate all electrical outlets in the science lab.
What is G. The student should follow all electrical safety guidelines.
400
Mass _____________ and weight____________
What is mass stays the same and weight changes
400
What are three important safety tools used most often in experiments
What is goggles, aprons, and gloves
400
A characteristic of a substance that can be observed or measured without changing the identity of the substance
What is physical property
400
The table lists the densities of some common materials at 20°C.
If a scientist has 20 grams of each material, which material has the least volume? (Hint:
Step 1. Determine the meaning of each density. Step 2. Divide each density by 20 to find
the volume of 20 grams of each liquid.)
A. milk
B. water
C. mercury
D. gasoline
What is C. mercury
500
Lisa and Jill have just finished an experiment in science class that involved several different chemicals. Which of the following is the BEST way for them to clean up their lab area?
A Ask the teacher to tell them the best way to dispose of the chemicals.
B Mix all of the chemicals together before pouring them down the sink.
C Throw all of the left over materials into the trash can.
D Leave all of the left over materials on the lab table.
What is
A Ask the teacher to tell them the best way to dispose of the chemicals.
500
The two beakers shown below contain pure water.
Which of these properties is the same for the water in both beakers?
A. mass
B. weight
C. density
D. volume
What is C. density
500
What are the steps for using the fire blanket?
What is remove blanket, shield face, cover burning item or person, turn off electrical and gas supply if safe, leave on item for 30 minutes to cool.
500
Which physical properties are associated with most nonmetals?
A. dull, insulator, brittle
B. shiny, good conductor, malleable
C. dull, good conductor, brittle
D. shiny, insulator, brittle
What is A. dull, insulator, brittle
500
Amin had two metal cubes of identical sizes. He placed cube A on one side of a pan
balance and cube B on the other side of the balance. The pan that held cube B was
now lower than the pan that held cube A. What conclusion can Amin draw about the two
cubes?
A. The masses of the two cubes are the same.
B. The volumes of the two cubes are different.
C. The weights of the two cubes are the same.
D. The densities of the two cubes are different.
What is The densities of the two cubes are different.