About this Study Set
This study set covers Physical Science through
20 practice questions.
Basic concepts of matter, energy, forces, and motion for upper primary students. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 20 questions from the
Physical Science Fundamentals study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which state of matter has a definite shape and a definite volume?
-
A
Gas
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B
Liquid
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C
Solid
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D
Plasma
2
What is the force that pulls objects toward the center of the Earth?
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A
Friction
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B
Magnetism
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C
Gravity
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D
Static electricity
3
Which form of energy is produced by the vibration of objects?
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A
Light energy
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B
Sound energy
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C
Chemical energy
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D
Nuclear energy
4
What do we call a material that allows electricity to flow through it easily?
-
A
Conductor
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B
Insulator
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C
Resistance
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D
Vacuum
5
What is the boiling point of water at sea level in degrees Celsius?
6
Which simple machine consists of a rigid bar that pivots on a fulcrum?
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A
Pulley
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B
Lever
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C
Inclined plane
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D
Screw
7
What is the smallest unit of an element that retains the properties of that element?
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A
Molecule
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B
Compound
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C
Atom
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D
Cell
8
Which color of visible light has the longest wavelength?
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A
Red
-
B
Green
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C
Blue
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D
Violet
9
What happens when a liquid changes into a gas?
-
A
Freezing
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B
Condensation
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C
Evaporation
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D
Melting
10
Which force opposes the motion between two surfaces that are touching?
-
A
Inertia
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B
Friction
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C
Gravity
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D
Acceleration
11
What do we call a substance made of two or more different elements chemically bonded together?
-
A
Mixture
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B
Solution
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C
Element
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D
Compound
12
Which of these is a form of potential energy?
-
A
A moving car
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B
A stretched rubber band
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C
A running athlete
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D
A flowing river
13
What is the center part of an atom called?
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A
Electron
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B
Orbit
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C
Nucleus
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D
Shell
14
What is the main source of light and heat for the Earth?
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A
The Moon
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B
The Sun
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C
Burning wood
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D
Electricity
15
What do like magnetic poles do when brought near each other?
-
A
Attract
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B
Repel
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C
Spin
-
D
Vibrate
16
What is the measure of the amount of matter in an object?
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A
Volume
-
B
Weight
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C
Mass
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D
Density
17
Which type of energy is stored in food and batteries?
-
A
Kinetic energy
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B
Chemical energy
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C
Thermal energy
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D
Sound energy
18
What happens to light when it hits a smooth, shiny surface and bounces off?
-
A
Refraction
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B
Absorption
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C
Reflection
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D
Diffraction
19
Which of these materials is an insulator of heat?
-
A
Copper
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B
Steel
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C
Aluminum
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D
Plastic
20
What is the term for the distance light travels in one year?
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A
Light year
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B
Astronomical unit
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C
Parsec
-
D
Kilometer
