Review

Quiz
•
Science
•
8th Grade
•
Hard
+9
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Adding baking soda to vinegar results in a chemical reaction. If the temperature of the vinegar is increased what will happen to the rate of the reaction?
The rate of reaction will slow down as particle motion slows down
The rate of the reaction will be unchanged, temperature has no effect on chemical reactions
The rate of the reaction will speed up as you increase particle motion
The reaction will not occur, temperature inhibits chemical reactions
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement correctly describes how a chemical change is different from a physical change?
A chemical change always involves two liquids, physical always solids
Only a chemical change requires the input of energy, physical does not require energy
A chemical change always involves mixing elements, physical mixes compounds
Only a chemical change produces a new substance, physical change only changes form
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following describes the energy transformation that occurs when a lamp is plugged in and turned on?
Mechanical energy is converted to electrical and chemical energy
Chemical energy is converted to thermal and mechanical energy
Electrical energy is converted to light and thermal energy.
Electromagnetic energy is converted to kinetic energy.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a major difference between plant and animals cells?
Animal cells have a cell wall, plant cells do not
Only animal cells have mitochondria, plant cells do not
Animal cells have a cell membrane and plant cells do not.
Plant cells have cell walls, animal cells do not.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An astronaut leaves Earth’s surface and begins orbiting Earth. How will his mass and weight change?
His mass and weight will stay the same
His weight increases and mass decreases
His mass stays the same and weight increases
Hs mass stays the same and weight decreases
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to the materials that make up paper as it is burned?
The materials are unchanged
The mass of the materials that make up the paper are conserved as they transform to other types of materials.
The materials that make up the paper are lost and disappear.
The mass of the materials that make up the paper are increased as they change forms
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You put away a clean fork. Later you take it out and it is tarnished. Which statement best describes what happened?
Tarnish particles drifted through the air and settled on the fork
Dust stuck to the fork and changed into tarnish
Elements in the air and the fork combined to form tarnish
The fork started to decay
Tags
NGSS.MS-PS1-2
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