Physical Science

Scientific Notation

100

Write the following number in scientific notation.

0.000000199

1.99 × 10^-7

200

Write the following number in Scientific Notation:

24,070

2.407 × 10⁴

300

Write the following numbers in standard notation.

2.105 x10⁶

2,105,000

400

Write the following numbers in standard notation.

4.11 x10^-5

0.0000411

500

Use the information provided to complete the conversions below:

(1 cup = 236 mL and 1000 mL = 1 liter)

315 cups convert to liters 

315 cups x 236 mL / 1000mL = _____ L

74.34 L

Safety

100

If you do not understand a direction or part of a lab procedure, you should what?

ask the instructor before proceeding

200

Which of the following actions are allowed in the lab?

a. eating a snack

b. drinking a soda

c. wandering around the classroom, distracting other groups

d. none of the above

d. none of the above

300

If a laboratory fire erupts, immediately do what?

notify your instructor

400

Approved eye protection devices (goggles) are worn in the laboratory when?

any time chemicals, heat or glassware are used

500

When you finish working with chemicals, biological specimens, and other lab substances, always do what two things after?

Clean up lab space, wash your hands

States of Matter

100

Classify the following mixture as homogeneous or heterogeneous 

Pizza 

heterogeneous

200

Which of the following is made up of only 1 type of atom?

a. mixture

b. compound

c. element

c. element

300

Identify as an element, compound, or mixture:

Sugar (C₆H₁₂O₆)

compound

400

Classify the following as a substance or a mixture 

Table salt

substance

500

Mixtures are separated _________ and substances are separated __________.

(word bank: chemically, physically, mechanically)

Mixtures are separated physically and substances are separated chemically.

Atoms Bonding

100

Which of the following particles are located in the nucleus of an atom? 

a. proton

b. neutron

c. electron

Both:

a. proton

b. neutron

200

What type of charge does an electron have?

negative (e^-)

300

What is the symbol  for the element Copper?

Cu

400

What is a covalent bond?

1. a. Electrons from one atom are transferred to another atom. 

2. b. Electrons are shared between atoms.

3. c. Atoms will take free floating electrons and add them to their energy levels.

• b. Electrons are shared between atoms.

500

Draw CHCl₃

                 H

         Cl  -  C  - Cl

                 Cl

Equations

100

What effect does doubling the net force have on the acceleration of the object?

acceleration increases or decreases?

acceleration increases

200

1. How many seconds would it take for a satellite to travel 450 km at a rate of 120 km/s?

s = (d/t)

t = (d/s)

t = (d/s)

t = (450/120)

t = 3.75 s

300

Shelly runs 400 m to Andrea’s house, turns around and runs 400m home. Calculate Andrea’s distance and displacement.

d = 800 m

Δx = 0 m

400

KE = (1/2)mv²         

Aaron Rodgers throws a football at a speed of 35 m/s. If the mass of the football is 0.4 kg, what would the ball’s kinetic energy be when thrown?

 KE = (1/2)mv²    

KE = (1/2)(0.4)((35)²)

KE = (1/2)(0.4)(1225)    

KE = 245 J

500

F = m x a

Zeke is 50kg and riding his skateboard down a ramp. Assume that his acceleration is 0.8 m/s². What is the force he is using?

F = m x a

F = (50)(0.8)

F = 40 N