Sig Figs & Scientific Notation Review

REMINDER

• You only have one attempt at this lesson

• 80%+ earns full credit (10/10 pts)

• Fill out pages 2 and 3 in your packet as you work through this lesson

• Packet pages completion will be part of your score for this assignment (10 pts)

PART 1: REVIEW

Categorize

Options (9)

High Luster

Conductive

Malleabale

Ductile

Brittle

Poor Conductors

Dull Appearance

Solids at room temp

Can be gasses or solids at room temp

Categorize the following properties as properties of metals or nonmetals.

Protperties of Metals

Properties of Nonmetals

Multiple Choice

Which state of matter is shown in the figure

• solid

• liquid

• gas

• plasma

Multiple Choice

Which state of matter is shown in the figure?

• solid

• liquid

• gas

• plasma

Multiple Choice

Which state of matter is shown in the figure?

• solid

• liquid

• gas

• plasma

Multiple Choice

Which term describes the composition of matter shown in the figure?

• element

• compound

• mixture

• phase change

Multiple Choice

Which term describes the composition of matter shown in the figure?

• element

• compound

• mixture

• phase change

Multiple Choice

A process that involves one or more substances changing into a new substance is known as a ____________ change

• chemical

• physical

Multiple Choice

A ___________ property enables a substance to combine with or change into one or more new substances.

• chemical

• physical

Multiple Select

Check all the substances that are homogenous mixtures.

Multiple Select

Check all the substances that are heterogeneous mixtures.

Multiple Choice

What are the two types of pure substances?

• elements and solutions

• solutions and compounds

• elements and compounds

• Heterogeneous and homogeneous mixtures

Multiple Choice

All matter can fit into one of two categories. What are the two categories?

• Pure substances and compounds

• Pure substances and mixtures

• Pure substances and elements

• Elements and Compounds

Multiple Choice

What is the pH range of an acid?

• 4-6

• 1-7

• 1-6

• 8-14

Multiple Choice

Which of the following pH values would be the weakest acid?

• 1

• 3

• 5

• 6

Multiple Choice

Which of the following pH values would be the strongest acid?

• 1

• 3

• 4

• 6

Multiple Choice

Which of the following chemical formulas is NOT an acid?

• HBr

• HF

• HCl

• LiOH

Multiple Choice

What would be considered the weakest base? 

• 8
• 14
• 7

• 11

Multiple Choice

Pure water has a pH of 7. Pure water _______.

• is a base
• is a neutral substance
• could be either an acid or a base
• is an acid

Multiple Choice

The strongest bases have pH values close to

• 0

• 14

• 7

• 5

Multiple Choice

When carbon dioxide gas dissolves in water to make soda carbonated, what is the solute of this solution?

• water
• carbon dioxide gas
• soda mixture

Multiple Choice

How do you convert Celsius to Kelvin?

• Add 273
• Subtract 273
• You can't convert those
• They are the same thing

Multiple Choice

Assuming the temperature and the amount of gas remain constant, which container will have lower pressure?

• left
• right
• they both have the same pressure

Multiple Choice

A student inflates a balloon with helium then places it in the freezer. The student should expect

• the balloon's volume to increase

• the balloon's volume to decrease

Multiple Choice

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

• The pressure will increase

• The pressure will decrease

• The pressure will remain constant

• The pressure will equalize

Multiple Choice

Temperature is the average ______________ of particles.

• potential energy

• mechanical energy

• kinetic energy

• thermal energy

PART 2: NOTES

Fill out pages 2 & 3 as you go through the following slides

Multiple Choice

Describe the accuracy and precision of the image

• Accurate and Precise
• Accurate and not precise
• Not Accurate and Precise
• not accurate and not precise

Multiple Choice

Describe the accuracy and precision of the image

• Accurate and Precise
• Accurate and not precise
• Not Accurate and Precise
• not accurate and not precise

Multiple Choice

931.5068

Which place value is the 3 in?

• hundreds

• tens

• ones

• tenths

• hundredths

Multiple Choice

931.5068

Which place value is the 6 in?

• hundreds

• thousands

• thousandths

• tenths

• hundredths

Hotspot

Select the estimated digit in the number shown.

Dropdown

5.15 mL

The estimated digit is in the ​​

Select answer

place

The instrument is marked to the ​

Select answer

place

Hotspot

Select the estimated digit in the number shown.

Dropdown

0.0070 mL

The estimated digit is in the ​​

Select answer

place

The instrument is marked to the ​

Select answer

place

Hotspot

Select the estimated digit in the number shown.

Dropdown

350 cm

The estimated digit is in the ​​

Select answer

place

The instrument is marked to the​

Select answer

place

Hotspot

To round 1000 to have 3 sig figs, you need to include a bar over one of the zeros. Select the zero to put the bar over that would give the number 3 sig figs

Math Response

Enter 42,800 as scientific notation

Remember to include all sig figs in your base number.

Type answer here

Correct Answer: 4.28\times10^4

Deg^°

Rad

Math Response

Enter 0.00033900 as scientific notation

Remember to include all sig figs in your base number.

Type answer here

Correct Answer: 3.3900\times10^{-4}

Deg^°

Rad

Math Response

Enter 2,823,000,000 as scientific notation.

Remember to include all sig figs in your base number.

Type answer here

Correct Answer: 2.823\times10^9

Deg^°

Rad

Math Response

Enter 0.000000000300 as scientific notation.

Remember to include all sig figs in your base number.

Type answer here

Correct Answer: 3.00\times10^{-9}

Deg^°

Rad

Math Response

ANSWER IN SCIENTIFIC NOTATION

Include 3 sig figs in your answer.

$$\left(4.34\times10^7\right)\times\left(5.1\times10^4\right)$$

Type answer here

Correct Answer: 2.21\times10^{12}

Deg^°

Rad

Math Response

ANSWER IN SCIENTIFIC NOTATION

Include 3 sig figs in your answer.

$$\frac{\left(3.52\times10^{-3}\right)\times\left(4.77\times10^7\right)}{\left(8.2\times10^{-2}\right)}$$

Type answer here

Correct Answer: 2.05\times10^6

Deg^°

Rad

Math Response

ANSWER IN SCIENTIFIC NOTATION

Include 3 sig figs in your answer.

$$\left(5.7\times10^6\right)+\left(2.80\times10^9\right)$$

Type answer here

Correct Answer: 2.81\times10^9

Deg^°

Rad

Math Response

ANSWER IN SCIENTIFIC NOTATION

Include 3 sig figs in your answer.

$$\frac{\left(4.1\times10^{-4}\right)}{\left(3.88\times10^{-7}\right)}$$

Type answer here

Correct Answer: 1.06\times10^3

Deg^°

Rad

Math Response

ANSWER IN SCIENTIFIC NOTATION

Include 3 sig figs in your answer.

$$\frac{\left(3.75\times10^5\right)}{\left(4.55\times10^{14}\right)\left(7.32\times10^{-3}\right)}$$

Type answer here

Correct Answer: 1.13\times10^{-7}

Deg^°

Rad