Science Olympiads
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Easy
+5
Standards-aligned
Fernando Rullo
Used 9+ times
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of the human circulatory system?
To transport blood and essential substances throughout the body.
To digest food and absorb nutrients.
To regulate body temperature and produce hormones.
To filter waste products from the blood.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name the primary producers in a food chain.
Decomposers like earthworms
Carnivorous plants
Fungi and bacteria
Plants and algae
Tags
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called when a solid turns into a liquid?
Condensation
Freezing
Sublimation
Melting
Tags
NGSS.MS-PS1-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Newton's first law of motion?
An object will accelerate unless a force is applied.
An object will change direction only when a force is applied.
An object will remain in motion only if it is in a vacuum.
An object will remain at rest or in uniform motion unless acted upon by an external force.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do plants obtain energy from the sun?
Plants obtain energy from the sun through photosynthesis.
Plants get energy by consuming soil nutrients.
Plants harness energy from water absorption.
Plants absorb energy through respiration.
Tags
NGSS.MS-LS1-6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do decomposers play in a food chain?
Decomposers compete with herbivores for resources.
Decomposers produce energy for consumers.
Decomposers recycle nutrients and support the growth of producers in a food chain.
Decomposers are the primary producers in a food chain.
Tags
NGSS.MS-LS2-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between a physical change and a chemical change?
Physical changes do not change the substance's chemical identity, while chemical changes do.
Chemical changes can be reversed easily, while physical changes cannot.
Physical changes involve a change in temperature, while chemical changes do not.
Physical changes result in new substances, while chemical changes do not.
Tags
NGSS.MS-PS1-4
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