Grade 4 science mock test
1. What part of a flower stays behind after the flower dies ______________
2. The purpose of a flower is it help the plant ________________
3. What is the life cycle of a plant
4. Plants without flowers are called _________________ . Give examples
5. How do they reproduce
6. Label the flower parts
7. What is the difference between the anther and filament?
8. Write true or false
a. Petals are brightly colored to attract pollinators
b. The stamen is the female part of the flower
c. Stigma is sticky to catch pollen
d. The carpel is the male part of the plant
9. What is pollination, and what are it’s two main ways
10. Write in what ways flowers pollinated by insects are adopted to attract pollinators
11. Write in what ways flowers pollinated by wind are adopted to attract pollinators
12. What is the process where pollen and eggs join to make eggs? _______________
13. Write the two main purposes of fruits?
__________________________________________________
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14. Seeds grow into young plants called __________________
15. Give examples of seed dispersal methods
16. What is it called when a seed starts to grow _____________________
17. Describe two ways that seeds can be adopted to be spread by animals
Unit two
1. How are sounds made? __________________________________________________
2. _____________ is the unit we use to measure sound
3. ________________ instrument we use to measure the volume of sound
4. Sound travels from a source in ________________
5. Write true or false
a. Pitch describes how high or low a sound is
b. A whistle is a low pitched sound
c. Slow vibrations produce lower pitched sound
d. Soft materials are better than hard materials in muffling sound
6. What ways can muffle sound
7. What instrument can be played by plucking
8. Explain why a sound is louder if you listen to it through a cardboard tube
Unit three
1. Define the particle model of matter
2. Match
Compressed together LIQUID
Take the shape of their container
Big spaces between the particles GAS
Parties can slide past one another
Have fixed shape SOLID
3. What is the most found gas in the air _________________
4. The layer of air that surrounds the earth is called _________________
5. The amount of heat in a substance is called _________________
6. What is the unit we use to measure temperature
7. The temperature at which a substance boils at is ____________________
8. What is the melting point of ice ________________
9. Write true or false, when a substance cools down it expands _______