What is matter?
Matter is anything that has mass and takes up space.
Which is not part of the digestive system?
a) Stomach
b) Alveoli
c) Epiglottis
d) Esophagus
b) Alveoli
What is a habitat? Name one
A habitat is a natural home or environment for a plant, animal, or organism. EX: rainforest
What is the speed of light?
a) 3 kilometres per second
b) 3000 kilometres per second
c) 30 000 centimetres per second
d) 300 000 kilometres per second
d) 300 000 kilometres per second
Which device protects against hearing damage?
a) Glasses
b) Earrings
c) Earplugs
d) Amplifiers
c) earplugs
What is the difference between an internal and external force? Provide an example of each.
Internal forces are forces that occur within a structure (e.g. tension, torsion, shear, and compression). External forces are caused by external agents in a structure. An example of this is the wind affecting a structure, or occupants in a building.
What is a renewable energy source? Give an example.
A renewable resource is something that can be used more than once because it is replaced naturally. An example is the sun.
________________ is the study of the earth’s history based on fossils.
a) Psychology
b) Anthropology
c) Paleontology
d) Sociology
c) Paleontology
What is the difference between a simple machine and
a complex machine?
A simple machine is a basic tool that helps apply force and do work. A complex machine is made up of two or more simple machines.
The plants and animals that live together in a habitat form:
a) A community
b) A habitat
c) An adaptation
d) An endangered species
a) community
What is the difference between a static and dynamic load?
Dynamic loads are subject to change. Static loads stay the same.
The lungs inhale air and exhale ____________.
a) Smoke
b) Carbon dioxide
c) Carbon monoxide
d) Carcinogens
b) Carbon dioxide
List the three types of rocks.
Igneous
Sedimentary
Metamorphic
List 2 examples of things with pulley mechanisms.
Crane, well, elevator
What energy is the energy released through a chemical reaction.
Chemical
What is a physical change?
Give an example of a physical change.
A physical change is reversible and the chemical composition does not change. An example is water freezing.
List the three types of tissue in the musculoskeletal system.
Skeletal
Smooth
Cardiac
List three reasons why habitats are important to humans:
Habitats are home to humans
Habitats are home to animals, which are important for food
Habitats have trees that keep our air clean
Name one thing that reflects light
Mirror, moon, cat's eyes
List three examples of protective equipment that keep
humans safe from the impact of forces
Helmet, seatbeelt, ect
What is a chemical change?
Give an example of a chemical change.
A chemical change is irreversible and involves a change in chemical composition. An example is burning wood in a fire.
What is energy dissipation?
Any energy that is not transferred to useful energy stores is said to be wasted because it is lost to the surroundings.
List 2 adaptations that help an animal survive in its habitat:
Sharp teeth - to eat meat
Long neck - to eat leaves off tree
White fur - to camouflage with snow
Gears are used to change what three things?
a) Inputs, outputs, and force
b) Pulleys, crowns, and torque
c) Acceleration, braking, and direction
d) Speed, direction, and torqued
d) Speed, direction, and torqued
How many bones are in the human body?
206