Science end of year

Science-Vectors

Vectors

A vector is an organism that spreads germs and diseases. Some vectors are rats, mosquitoes, flies, and cockroaches. Waste provides excellent breeding grounds for vectors. Decreasing the amount of waste that is produced. and disposing of waste properly can eliminate the habitats of vectors. Reusing and recycling help to decrease waste also.

Put trash in the bin.

Look at the pictures and discuss one way you avoid mosquitoes, rats, and roaches?

Cover garbage cans properly

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Look at the pictures and discuss one way you avoid mosquitoes, rats, and roaches?

Keep the house clean

Look at the pictures and discuss one way you avoid mosquitoes, rats, and roaches?

Science-Rocks and minerals

Rocks and minerals

A rock is a hard, nonliving thing that comes from the Earth. Rocks come in many sizes, shapes, and colours. Some rocks are marble, pumice, and sandstone. a mineral is one kind of nonliving thing that is found in nature. People find minerals in rocks, copper iron, and diamonds are minerals.

Science Ways in which rocks and minerals are used

Ways in which rocks and minerals are used

People use rocks and minerals in different ways. Rocks are used to build things, such as houses, roads, and walls. They also use rocks to make sculptures. People use minerals to make coins, furniture, and jewelry.

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Science The weather

The weather

Weather is what the air outside is like. The air may be warm or cool. It may also be rainy, sunny, windy, or cloudy. Weather can change quickly. In the Bahamas, the weather remains the same for long periods of time. For most of the year, the weather in The Bahamas is warm and sunny. People

The weather

People who study the weather use several different instruments to assist them with their work.

A thermometer: is used for measuring temperature

A rain gauge: is used for measuring rainfall

a wind vane: is used for measuring the direction of the wind

A. measures rainfall

B. measures temperature

C. measures the direction of the wind

Science Weather forecast

Many workers who work outdoors need to know what type of weather to expect in advance. People who predict what the weather will be like in the future are called Weather Forecasters. Some worker who depend on weather forecasters are pilots, sea captains, truck drivers, and farmers. People also need to know what type of weather to expect so that they can wear the proper clothing. During the hurricane months of June to November, Bahamainas (and other people who live in areas that are affected by hurricanes) like to know in advance when a storm is coming so that they can prepare their homes and secure their properties.

Science the moon

The moon is not like Earth. The moon has rocks and soil, but it does not have air or living things. Ice has been found on the moon. The moon is the largest object you can see in the night sky. It seem to shine, but the moon does not really give off its own light. The light from the moon comes from the sun. The moon moves around the Earth. As it does this, its shape appears to change. This is why the moon has different shapes at different times of the month. The part of the moon facing the sun is the lighted part which we see.

Label Full, New, and First quarter

Science the stars

You can see the stars in the night sky. A star is a body in space. Stars give off light as the sun does. Some Starts seem to form pictures in the sky. A group of stars that form a star picture is called a constellation. Some common constellations include the Big Dipper, Little Dipper, and Orion the Hunter

The stars

A group of stars is called: constellation

Stars give off light as the sun does

You can see the stars in the night

Science: matter

Matter is what all things are made of. Trees, milk, and air are all made of matter. Matter has 3 forms. it can be a solid, liquid, or gas.

a gas can change shape and size

Matter can also be described by colour, shape, size, and texture. We use our senses to learn about matter.

A solid has a size and shape of its own

A liquid takes the shape of the container

liquid

gas

solid

Measuring Matter

Measuring matter

We can measure the mass (or weight) of matter.

We can also measure the length of matter.

We use tools to measure matter.

A ruler, measuring tape, or yardstick can be used to measure length. Length is the measurement of the distance from a given point A to a given point B. Length is usually measured using a ruler.

Measuring Matter

A scale of balance is used to measure mass. Mass is the amount of matter that make up the object being measured.

Measuring Matter

Containers can be used to measure quantities. Each containers is able to hold a specific amount of substance. The amount that a contqainer can hold is called its capacity.

Measuring Matter

Measuring weight

Measuring length

Measuring liquid

Science: The sun

Sunlight is a source of heat and light. A source is a place from which something comes.

Heat and light are forms of energy, Energy is needed to change things and to make them move.

Light comes from many sources. The main source of light is the sun. Light is a form of energy that you can see. People use light in many ways. At home, you use a lamp to read.

Almost all of the heat energy that we receive on earth comes from the sun. Heat energy can be used for doing a number of things including cooking, ironing, baking, and changing water into a stream.

Water and air

People use air in many ways. Moving air is wind. Wind energy can be changed into electricity. A windmill or wind turbine does this. People use air to make things fly. (E.g. a kite, airplane and hot air balloon).

People use water in many ways. ( E.g. to drink, clean and production). People also use the energy of moving water. They use moving water to make electricity at power plants.

Multiple Choice

Moving water is used to make...

• air

• drink

• electricity

Multiple Choice

What is moving air called?

• wind

• water

• windmill

Multiple Choice

what changes wind energy into electricity?

• windmill

• moving water

• wind

Water and air are used in many ways. Writed the word air or water beneath each picture to tell how they are used

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Science: Magnets

Magnets can push or pull certain metal objects. A pole is the place on a mangnet that has the strongest pull. Magnets have a north and south pole. Opposite poles attract each other. Attract means to pull toward. Like poles repel each. Repel means to push away. Some objects that magnets will attract are paper clips, metal, keys, and screws.

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