Science 6 Review

Science 6 Review

By Ma'am Pauline

Gravity

Friction

​Forms of Energy

​Simple Machines

Physics

Interactions Among Living Things

Kinds of Ecosystem​

Biology

3^rd Long Test Pointers

3^rd Long Test Review

Interactions Among Living Things

Interactions Among Living Things | Science

3^rd Long Test Review

Intraspecific

Interspecific

Communication

Competition​

Competition

Predation

Symbiosis​

> Commensalism, Mutualism and Parasitism​​

Multiple Choice

This is the interaction among animals of the same species.

• Intraspecific Interaction

• Interspecific Interaction

Multiple Choice

It is the interspecific interaction wherein two or more species live together.

• competition

• predation

• symbiosis

Multiple Choice

Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• parasitism

• commensalism

• mutualism

Kinds of Ecosystem

• Tropical ​Rainforests

• Coral Reefs

• ​Mangrove Swamps​

Kinds of Ecosystem | Science

3^rd Long Test Review

Multiple Choice

Name the layers of the rainforest in order from the topmost to the ground.

• 1. Canopy Layer,

  2. Emergent Layer,

  3. Forest Floor,

  4. Understory Layer

• 1. Forest Floor,

  2. Canopy Layer,

  3. Understory Layer,

  4. Emergent Layer

• 1. Emergent Layer,

  2. Canopy Layer,

  3. Understory Layer,

  4. Forest Floor

Multiple Choice

What is true about coral reefs?

• -habitat and breeding sites for marine animals

• -increase CO2 in the water

• -boosts storms and waves towards coasts

Open Ended

Why are mangrove swamps important?

Gravity

Noncontact Force

Mass vs. Weight

We​ight = mass x gravitational field strength

Gravity | Science

3^rd Long Test Review

Multiple Choice

What is the weight of a sack of rice that has a mass of 50 kg?

• 500 N/kg

• 500 N

• 500 kg

Multiple Choice

What is the weight of a boy who has a mass of 40.38 kg?

• 40.38 N

• 438.0 N

• 438 N

• 403.8 N

Friction

Contact Force

Air Resistance

Applied Force, ​Mass and Rough/Smooth Surfaces

Ways of Increasing and Decreasing Friction​

Friction | Science

3^rd Long Test Review

Multiple Choice

Does it decrease or increase friction?

Smoothen the surface.

• decrease

• increase

Multiple Choice

Does it decrease or increase friction?

Use rubber or rough clothing materials.

• decrease

• increase

Multiple Choice

Does it decrease or increase friction?

Use lubricants such as grease and oil.

• decrease

• increase

Forms of Energy

• Mechanical Energy

• Electrical Energy

• Light Energy​

• ​Chemical Energy

• Sound Energy​

• ​Thermal Energy

Forms of Energy | Science

3^rd Long Test Review

1. Potential vs. Kinetic

2. Law of Conservation of Energy

3. Transformation of Energy​

Multiple Choice

Which is true according to the law of conservation of energy?

• Energy cannot be created nor destroyed.

• Energy does not change its form.

• The total amount of energy changes.

Multiple Choice

Trace the transformation of energy in these objects.

• chemical - mechanical - light

• chemical - electrical - light & heat

• electrical - mechanical - light

Simple Machines

1. Lever

2. Pulley

3. ​Inclined Plane

4. ​Wedge

5. ​Screw

6. Wheel and Axle​

Simple Machines | Science

3^rd Long Test Review

Fill in the Blanks

Multiple Choice

What types of simple machine does this sharpener use?

• pulley & wedge

• wedge & inclined plane

• lever & wheel and axle

• wedge & wheel and axle

Multiple Choice

For what purpose can we use a screw?

• to be the plane where we can push heavy objects

• to split rocks into opposite directions

• to hold an object's parts together

Gravity

Friction

​Forms of Energy

​Simple Machines

Physics

Interactions Among Living Things

Kinds of Ecosystem​

Biology

3^rd Long Test Pointers

3^rd Long Test Review