Bài tập Tiếng Anh tích hợp Lớp 4 - Grade 4: Science Review 2

 insects
to the plant
35. What is the most likely method of dispersal for this seed?
water animal wind explosion
6. This butterfly is drinking a sweet liquid from inside a flower.
What is the name of the sweet liquid?
Answer: _______________
47. Which of the plants below is likely to grow best?
Circle one letter.
8. To have a fair test, how many variables (factors) should we change?
0 1 2 3
9. At the end of an investigation, what do we normally write?
a prediction a conclusion the aim the method
light
510. Draw lines to match each animal with its habitat.
11. Which pair of words below best describe a desert habitat? Circle your answer.
hot and wet cold and wet hot and dry grassy and hot
saltwater
desert
polar
612. Which of the sentences below is true about invertebrates? Circle one letter.
13. Look at the animal identification key below.
A They have six legs.
B They can fly.
C They have no backbones.
D They have three body parts.
7Identify the four animals in the pictures.
Write one letter in the box under each animal.
814. This is a polar bear. Draw lines to match each adaptation with how it helps the polar bear.
915. Why does an animal like a rabbit need camouflage? Tick one box.
16. Look at the food chain below.
What does the frog eat? Circle one letter.
rabbits
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17. Draw a line to match each word to the best description. Each word and each description may only be
used once.
18. Write one way we can help the environment.
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
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19. What state of matter is shown in the picture below?
liquid gas steam solid
20. Which of these has a fixed shape?
gas liquid solid vapour
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21. Tom puts some ice cubes into his glass of water.
a) What will happen to the ice cub..._________℃
c) Colour in the thermometer below to make it show 65℃.
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27. Which of these best describes the Sun?
It is a moon. It is a meteor. It is a star. It is a planet.
28. What causes Earth to have day and night? Circle one letter.
A The Moon orbits the Earth.
B The Earth spins on its axis.
C The Earth is a sphere.
D The Sun moves across the sky.
29. The bar chart below shows the length of a tree’s shadow at different times of the day. Use the
bar chart to answer the questions below.
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a) How much longer is the shadow at 09:00 than the shadow at 11:00?
Answer = __________ m
b) At what time is the shadow shortest?
Answer = __________
c) At 22:00 there was no shadow.Why not?
Answer = _______________________________________________________
30. The picture below shows a post and its shadow.
Why does this post form a dark shadow? Circle one letter.
A The post is heavy.
B The post is opaque.
C The post is tall.
D The post is transparent.
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31. Look at the picture below. Which solid did not dissolve?
Circle one letter.
32. Ben is testing some powder to see if it dissolves in water.
Each time he uses 50g of powder and 100ml of water.
How could Ben get the powder to dissolve faster?
Circle one letter.
A increase the temperature of the water to 30℃
B use 70g of powder each time
C use a bigger glass
D decrease the temperature of the water to 10℃
powder
20℃
A B C D