Review Sciene

Review Sciene

by Ms. Kori

Poll

What does the scientist do?

• The scientist is a practical way of understanding the world and everything in it.

• Scientists make discoveries by observing their surroundings to find inventions that help people.

• Scientists make a discovery that can help every people in the world and they discoveries never failed.

​Waht is scientist

​The scientist:

​-Do observation

-Ask a question

​-Make hypothesis

​-Make Experiment

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​Sometimes scientists make discoveries that are important to society. Scientist idea may lead to inventions that help people and the environment.

Multiple Choice

1. Hold the plants in the soil.

2. Act like drinking straw.

3. To support the leaves to reach the sunlight.

4. Like an Anchor to keep a tree standing.

5. The places for the tree to make their food (Photosynthesis)

Choose the right numbers that show the function of the root.

• 1, 2 and 3

• 3, 4 and 5

• 1, 2 and 4

​Roots function

• ​Hold the plants in the soil.

• ​Act like drinking straw.

• ​Like an anchor to keep the tree standing.

Open Ended

Green leaves make a plant's food, and it's doing a process. This process is called Photosynthesis. Can you explain what Photosynthesis means?    

​Photosynthesis

​Photosynthesis is a process by a plants makes their own food in the leaves.

​

​For this process, leaves need the energy of sunlight, gas from the air, and water to make sugar.

Poll

How do flowers and bees help each other?

For this question, you can choose more than 1 answers.

• Its brightly colored petals and sweet-smelling flowers invite bees to approach and assist in the pollination process.

• Bees help flowers to protect them from invaders.

• Flowers provide nectar for bees.

Open Ended

Do you ever plant bean sprouts (tauge)? Bean sprouts need some materials to grow. Can you describe the stages of germination?

​Stage of germination

​1. The seed coat (skin) will break because it absorbs water.

2. The roots will come out first to find a water source.

3. The roots will lengthen and spread.

4. Starting to grow stems towards the sun.

5. The last leaf will appear

Multiple Choice

A penguin is a bird. A bear is a mammal. Birds and mammals are “warm-blooded”. Can you explain the function of “warm-blooded” of these animals?

• The "warm-blooded" feels so hot when you touch and this is why penguins keep warm.

• To keep them cold even in the hot climate.

• They called a "warm-blooded" animals because they can still active even in the cold weather.

Open Ended

Explain why most reptiles live in a warm place?

​

​Reptiles are "cold-blooded" animals. Which means they cannot keep their own temperature.

​

​That's why they have to live in a hot or warm place to maintain their body temperature.

Open Ended

How can horned viper survive in a desert?

​

​The horned viper keeps cool in the hottest part of the day by burying itself in the sand.