Search Header Logo

Mr. Hays 8th Grade STAAR Practice Test

Authored by Jason Hays

Science

8th Grade

NGSS covered

Used 152+ times

Mr. Hays 8th Grade STAAR Practice Test
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

41 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement accurately describes the atoms of a specific element?

An indium, In, atom contains 115 protons inside the nucleus and 49 neutrons outside the nucleus.

A scandium, Sc, atom contains 45 electrons outside the nucleus and 21 neutrons inside the nucleus.

An aluminum, Al, atom contains 27 electrons and 27 protons inside the nucleus.

A zinc, Zn, atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus.

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Four students were asked to name the parts of an atom that determine the atom's identity and chemical properties. The student's responses are shown in the table. Which student's responses are correct?

student 1

student 2

student 3

student 4

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Students were asked to identify the location of elements in the periodic table based on clues printed on game cards. Based on the data, which periodic table shows the correct location of the four elements?

Media Image
Media Image
Media Image
Media Image

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Some students conducted a laboratory investigation to learn more about the physical properties of different elements. They observed four samples and recorded their observations in the table. Based on these observations, which sample is most likely a nonmetal?

sample 1

sample 2

sample 3

sample 4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student is using colored beads to make a model of aluminum sulfate, Al2(SO4)3. Aluminum atoms are represented by blue beads, sulfur atoms by yellow beads, and oxygen atoms by green beads. What combination of beads should the student use for the model?

6 blue, 3 yellow, and 7 green

2 blue, 1 yellow, and 4 green

2 blue, 3 yellow, and 12 green

6 blue, 12 yellow, and 12 green

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Some students in a chemistry lab conducted an investigation in which they added four different solid substance to separate beakers of water. They stirred the mixtures for one minute and then recorded their observations in the table below. Which substance most likely caused a new substance to be formed when mixed with water?

substance 1

substance 2

substance 3

substance 4

Tags

NGSS.MS-PS1-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Many processes occur in the digestive system. Which process is best classified as a physical change?

Saliva converting the starch molecules in crackers into simple sugars.

Digestive enzymes breaking down proteins into smaller fragments.

Bacteria converting lactose into simple sugars in the intestines.

Teeth grinding an almond into smaller pieces in the mouth.

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?