What is the difference between a scientific theory and a scientific law?

A scientific law is something that has already been proven

The resistance of a gas or liquid to flow

What is the difference between a physical and chemical change?

Chemical change cannot be reversed, physical change can

What are the three main types of physical science?

Meteorology, geology, and biology

The curve at a liquid's surface which measures it's volume

What is surface tension?

The force that acts on the surface of a liquid

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8th Grade Review

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Standards: S8CS3.a. Analyze scientific data by using, interpreting, and comparing...

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Questions 20

Answers

1
How many basic safety symbols are there?
9
10
8
2
2
What is an example of a physical property?
Mass
Weight
Ductility
Volume
3
What is one way you can break down a compound?
Putting it in water
Adding energy
Hitting it with a hammer
You can't break down a compund
4
How many elements must you have to make a compound?
1
3
9
2
5
How many patriots are on the periodic table?
7
8
6
9
6
What is the correct SI unit for cubic centimeter
C^2
Cm^2
Cm^3
C^3
7
What is the formula for density?
D = v • m
D = v/m
D = m • v
D = m/v
8
What is the difference between a scientific theory and a scientific law?
Scientific theory is true for everything
A scientific law is something that has already been proven
A scientific theory is something that has actually hapened
They are the same thing
9
What is viscosity?
The resistance of a gas or liquid to flow
Spherical drops of water
The state of matter that has a definite volume
The force that acts on the surface of a liquid
10
How many groups are on the periodic table?
19
17
18
16
11
What is an example of a colloid?
Milk
Water
Nails
Mayonnaise
12
What is the difference between a physical and chemical change?
Chemical change cannot be reversed, physical change can
Physical change effects and elements identity
Chemical change only changes the way something looks
Physical change cannot be reversed, chemical change can
13
What are the three main types of physical science?
Meteorology, biology, and chemistry
Meteorology, geology, and biology
Chemistry, physics, biology
Geology, biology, and chemistry
14
What is a meniscus?
A measure of the size of a body or region
Anything that has mass
A measure of gravitational force
The curve at a liquid's surface which measures it's volume
15
If your pour different liquids into a glass, the densest liquid will...
Sink near the bottom
Sink to the bottom
Float to the top
Sink to the middle
16
What are the three states of matter?
Solid, liquid, gas
Solid, liquid, oxygen
Solid, water, gas
Liquid, rock, gas
17
What is the first step in the scientific method?
Make observations
Test the hypothesis
Ask a question
Form a hypothesis
18
What is surface tension?
The force that acts on the surface of a liquid
A measure of how hot or cold something js
The amount of force exerted per unit area
The resistance of a gas or liquid to flow
19
What makes ice melt?
Burning it
The addition of energy
You can't make ice melt
Taking away energy
20
What are the main words needed in a hypothesis?
If... What
If... And...
If... Then...
Then... If

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