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Elementary Physical Science Fundamentals

Physical Science

A collection of core physical science concepts covering matter, energy, forces, and sound.

physics matter energy science

15 Questions Medium Ages 8+ Jul 17, 2026

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About this Study Set

This study set covers Physical Science through 15 practice questions. A collection of core physical science concepts covering matter, energy, forces, and sound. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 15 questions from the Elementary 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 volume but takes the shape of its container?

A Solid
B Liquid
C Gas
D Plasma

2 What is the force that pulls objects toward the centre of the Earth?

A Friction
B Magnetism
C Gravity
D Static electricity

3 Which form of energy is produced by the vibration of objects?

A Light energy
B Sound energy
C Chemical energy
D Thermal energy

4 Which material is best described as an electrical insulator?

A Copper
B Gold
C Rubber
D Silver

5 What happens to water when it reaches its freezing point?

A It turns into a gas
B It turns into a solid
C It disappears
D It becomes plasma

6 Which of these is a form of kinetic energy?

A A battery on a shelf
B A stretched rubber band
C A ball rolling down a hill
D A fuel tank in a car

7 What primary force acts in the opposite direction to an object's motion across a surface?

A Gravity
B Magnetism
C Friction
D Inertia

8 Which colour of visible light has the longest wavelength?

A Blue
B Green
C Red
D Violet

9 What is the main source of thermal energy for the Earth?

A The Moon
B The Sun
C Volcanoes
D Fossil fuels

10 Which simple machine is used to lift a heavy load using a fulcrum?

A Pulley
B Lever
C Screw
D Inclined plane

11 What process occurs when a gas changes into a liquid?

A Evaporation
B Condensation
C Freezing
D Melting

12 Which of these describes a chemical change in matter?

A Tearing a piece of paper
B Melting an ice cube
C Burning a piece of wood
D Crushing a soda can

13 How does light travel?

A In curved lines
B In zigzag patterns
C In straight lines
D Light does not travel

14 Which part of an atom carries a negative electrical charge?

A Proton
B Neutron
C Electron
D Nucleus

15 What happens when two magnets with like poles (North and North) are pushed toward each other?

A They attract
B They repel
C They stay still
D They lose their magnetism

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