WorksheetsScience Quiz
Total questions: 72
Worksheet time: 3570secs
true or false: Earth is a perfect sphere
true
false
The layer of gases surrounding Earth is the...
(a)
Which kind of liquid water on Earth is the...
(a)
The system that has Earth's entire solid body is the...
(a)
What of Earth's systems has all living organisms on Earth?
(a)
What Earth system has frozen water all over the Earth
(a)
When did Earth form?
4.6 billion years ago
What came together to create the solar system?
Gas and dust came together into a disk
The force that every object exerts on all object because of their masses is...
(a)
The force of gravity depends on the...and the...
(a)
When is gravity stronger?
When there is less mass and they are close together.
true or false: Earth has less mass so you won't get pulled towards it
true
false
What is the equation for density?
What is the amount of mass in a material per unit volume is...
(a)
How were the Earth's layers formed?
Through the mixture of solid partials, and thermal energy melted it so it could flow into different layers
true or false: When you go further down into the Earth's crust the pressure increases
true
false
true or false: Scientists get evidence using earthquakes to see the interior of Earth
true
false
true or false: The temperature decreases the further you go into the Earth
true
false
The brittle, rocky outer layer of Earth is the...
(a)
true or false: The crust is made of materials with a low mass
true
false
The two types of the crust on Earth are the...and the...
(a)
The thick middle layer in the solid part of Earth is the...
(a)
true or false: The uppermost mantle is brittle and ridged
true
false
Scientists group the crust and the uppermost mantle into this category of classifications called the...
(a)
A plastic-like layer within the mantle is called the...
(a)
What is the order of the layers of the Earth?
The...is the dense metallic center of the Earth made of iron and nickel
(a)
true or false: The outer core is a solid
true
false
true or false: The core rotates
true
false
What makes Earth's magnetic field?
The rotation of Earth's core
The...is the outer part of the magnetic field that interacts with these particles
(a)
What are the six characteristics of life?
eat, sleep, live, socialize, grow, talk
organize, photosynthesis, develop, talk, grow, live
organize, develop and grow, reproduce, respond to stimuli, maintain homeostasis, use energy
develop and grow, sleep, use energy, respond to stimuli, live, reproduce
Things that have all the characteristics of life
(a)
The smallest unit of life is the...
(a)
Living things that are made of only one cell are called...organisms
(a)
Living things that are made of two or more cells are...organisms
(a)
What is the difference between internal and external stimuli?
An organism's ability to maintain steady internal conditions when outside conditions change are called...
(a)
There were changes in the classification system because of...
(a)
All living things are classified by their...
(a)
What are the three domains?
bacteria, archaea, eukarya
protista. bacteria, fungi
archaea, animalia, fungi
What are the six kingdoms?
true or false: scientific names are written like this- Genus species
true
false
What is the order of the taxonomic group?
Domain. Kingdom, Phylum, Class, Order, Family, Genus, Species
A series of descriptions arranged in pairs that leads the user to the identification of an unknown organism is called the...
(a)
What is the purpose of a microscope?
What are the two main types of a microscope?
(a)
A...microscopes uses light and lenses to enlarge an image of an object
(a)
A...microscope uses light and uses one more lens to magnify an object
(a)
What are the two types of lenses on a microscope called?
Objective lens and ocular lens
An...microscope uses a magnetic field to focus a beam of electrons (tiny partials in atoms) through an object or onto an object's surface
(a)
What type of microscopes is more for extremely small things?
(a)
What microscope is more for a surface of an object?
(a)
What are the proper steps for using a microscope?
How were cells discovered?
What are the three parts of the cell theory?
All living organisms are made of one or more cells, the cell is the smallest unit of life, and cells come from pre-existing cells.
Substances formed by joining many small molecules together are called...
(a)
What are the four macromolecules?
What is the importance of water in cells?
Water is important in cells for nutrient transport, chemical reactions, maintaining cell shape, temperature regulation, and acting as a solvent. (makes up 70%)
What are prokaryotic cells?
What are Eukaryotic cells?
What is the order of protein synthesis?
The movement of a substance through a cell membrane without using a cell's energy is called...
(a)
The movement of substances from an area of higher concentration to an area of lower concentration is called...
(a)
The diffusion of water molecules only through a membrane is called...
(a)
When a membrane passes through a cell using special proteins called transport proteins is called...
(a)
The movement of substances through a cell membrane only by a cell's energy is called...
(a)
What is the difference between endocytosis and exocytosis?
The processes during which a cell takes in a substance by surrounding the cell membrane is called...
(a)
The cell's vesicles release a cell is called...
(a)
true or false: when volume is low surface area is also low in a cell
true
false
true or false: perfect balance in a cell leads to efficiency of processes
true
false
