Science Year 7 Revision fo Yearly

Let's revise Science!

Your exam will be 90 minutes and will comprise of the following sections

1.      Multiple Choice

2.      Short Answer

3.      Skills

The topics will include

Chapter 6 Classification

Chapter 7 Forces

Chapter 8 Earth in Space

Chapter 5 Habitats and Interactions

Multiple Choice

to arrange something into groups according to similarities

• Classify

• Family

• Kingdon

• Orginize

Multiple Choice

A snake is a ___.

• fish

• insect

• reptile

• mammal

Multiple Choice

A chicken is a ___.

• bird

• insect

• reptile

• mammal

Multiple Choice

An organism made up of more than one cell would be called:

• multicellular
• unicellular
• heterotroph
• autotroph

Multiple Choice

Cell B is most likely

• a bacterial cell

• an animal cell

• a plant or animal cell

• a plant cell

Multiple Choice

Which organelle is unique to plant cells?

• a. cytoplasm

• b. cell membrane

• c. vacuole

• d. cell wall

Multiple Choice

What makes something non living?

• It breathes
• It does not grow
• It drinks 
• It eats 

Take a breath.....here comes PHYSICS!

Read the questions carefully!!!!!

Multiple Choice

What is the difference between Weight and Mass?

• Weight stays the same; Mass depends upon gravity

• Mass and Weight both stay the same

• Mass and Weight both change due to gravity

• Mass stays the same; Weight depends upon gravity

Multiple Choice

What will happen?

• The car will slow down

• The car will speed up

Multiple Choice

Balanced or unbalanced?

• balanced
• unbalanced

Multiple Choice

Which is an example of a non-contact force?

• elastic force

• normal force

• applied force

• electric force

Multiple Choice

What is the net force?

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

Multiple Choice

The FORCE that PULLS things down or back to EARTH.

• Speed
• Gravity

So far....so good?

Next up Earth in space and Habitats and the Environment!

ARE YOU READY?

Multiple Choice

Day & night are caused by the ______________ of Earth on its axis

• revolution
• orbit
• rotation
• tilt of the axis

Multiple Choice

What is the name of the imaginary line that the Earth rotates on?

• North Pole
• equator
• axis
• South Pole

Multiple Choice

The earth orbits around the _________

• sun
• moon
• other planets
• solar system

Multiple Choice

A year on Earth is created by...

• Earth rotation on its axis

• The tilt of the Earth

• The moon's orbit of Earth

• The Earth's orbit of the Sun

Multiple Choice

The spinning of Earth on its axis is called

• revolution

• orbit

• rotation

Multiple Choice

Why is it warmer in the summer?

• Closer to the sun
• More direct light from Earth's tilt
• Stronger light from the sun
• Earth spins slower

Multiple Choice

Which planet has very prominent rings?

• Jupiter
• Saturn
• Uranus
• Neptune

Multiple Choice

The moon

• gives its own light

• reflects light from the sun

Almost there!

Environment and Habitats

Ready?

Multiple Choice

A place where an organism gets everything it needs to survive.

• habitat
• community
• ecosystem
• population

Multiple Choice

A group of organisms that are physically similar and can mate with each other:

• population
• community
• organisms
• species

Multiple Choice

What is this called?

• Food Web
• Food Chain
• Abiotic Factors

Multiple Choice

If a frog is the prey, what could be the predator?

• Grass
• Insect
• Snake
• Snail

Multiple Choice

What does a food web represent?

• All connections of energy flow throughout all organisms in a ecosystem.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Multiple Choice

What is missing from this food chain?
Grass > Grasshopper > Bird > Snake

• Producer
• Primary Consumer
• Secondary Consumer
• Decomposer

Multiple Choice

An animal that eats other animals is a....

• carnivore
• omnivore
• herbivore
• decomposer

Multiple Choice

Fish, dolphins, whales, sea turtles, and plants live here. What habitat is this describing?

• Stream
• Polar Region
• Rainforest
• Ocean

Multiple Choice

A polar bear has thick fur to help it live in cold temperatures. What is the adaptation that the polar bear has to survive in its habitat.

• Thick fur

• White fur

• No fur

• Long legs

Multiple Choice

Sharks have sharp teeth to help it bite and tear their food. What is the adaptation and why is it important for the shark to survive?

• Sharp teeth. Without it they would not be able to bite their food and survive.

• Silky skin. Without it they would not be able to bite their food and survive.

• Large fins. Without it they would not be able to bite their food and survive.

• Large fins. They can not eat without using their fins to catch the food.

Multiple Choice

An organism where one organism benefits and another is harmed

• Commensalism
• Parasitism
• Mutualism
• Competition

Multiple Choice

Relationship where one organism benefits and the other is neither harmed nor helped

• Commensalism
• Parasitism
• Mutualism
• Competition

Multiple Choice

Which of the examples below can BEST be described as mutualism between animals?

• A tapeworm lives in the intestine of a bird and consumes the food that the bird has eaten
• Mountain lions and wolves fight each other for the same deer
• A bird eats parasites off a rhinoceros while the rhinoceros provides protection to the bird
• Rats live in the garbage dump of a town and rarely interact with people

Multiple Choice

Why Do aniamals Adapt?

• To make their life better
• To Survive in their envorment.
• To make people happy
• ALL of the above

Multiple Choice

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

Multiple Choice

In the food web shown, who is the secondary consumer?

• grass

• mouse

• rabbit

• fox

We did it!

That was a crash course in what we have covered in Science-
YOUR JOB NOW, i to go back through the textbook- and make summary notes, perhaps answer all the chapter reviews too.
USE YOUR TIME EFFECTIVELY!!!!

And may God reward your efforts!