WorksheetsSCIENCE 7 PRETEST
Total questions: 15
Worksheet time: 11mins
Scientists use models to explain phenomena because:
Models are more fun to create
Phenomena are often too complex to observe directly
Models are easier to publish
Phenomena are not important
The Particle Model of Matter states:
All matter is made up of large particles
Only living matter is made of particles
All matter is made up of tiny particles, with each pure substance having its own kind
Particles do not vary between substances
According to the Particle Model of Matter, particles:
Are always at rest
Are constantly in motion, have spaces between them, and attract each other
Only move when heated
Never attract each other
In which state of matter are particles most tightly packed?
Solid
Liquid
Gas
Plasma
During the process of melting, particles:
Move closer together
Gain energy and move apart
Lose energy and move closer
Stop moving completely
When conducting a scientific investigation, which step involves gathering numerical data?
Aim or problem
Method or procedures
Results including data
Results including data
Which part of a scientific investigation involves stating what the researcher aims to discover?
Materials and equipment
Method or procedures
Aim or problem
Results including data
Which of the following diagram represents LIQUID?
In a solution, the solute is:
The substance that does the dissolving
The substance being dissolved
Always a solid
Always a liquid
Which substance is likely to react with litmus paper to show an acidic reaction?
Proper use and handling of science equipment include:
Using equipment only as intended
Ignoring safety procedures
Using damaged equipment
Skipping instructions
When measuring the volume of a liquid, which unit is commonly used?
Meters
Grams
Kilograms
Liter
What is this instrument?
Telescope
Microscope
Periscope
Computer
Why is it important to handle science equipment properly?
To ensure accurate measurements and maintain safety
To make the experiment more complex
To finish the experiment quickly
To avoid reading the instructions
What will be the color of the Blue Litmus Paper when you test a calamansi?
