Science Q 3_ROUND 1

Ava noticed that the flowers in her garden had bright colors. She wondered why they were so vibrant.

• A) to attract pollinators like bees and butterflies

• B) to scare animals away

• C) to make them look pretty

• D) to blend in with the leaves

In a science class, Kai is experimenting with different materials to understand their properties. He has a translucent plastic sheet and a solid wooden board. How would you differentiate translucent from opaque materials based on Kai's observations?

• A) translucent see clearly, opaque blurry

• B) translucent: let some light, opaque: forms shadow

• C) translucent: blurry, opaque: blocks the light

• D) both B and C

Abigail is planting a garden and wants to know how roots help a plant grow strong.

• A) they make food

• B) they absorb water and nutrients

• C) they hold the flowers

• D) they make seeds

Isla is trying to find a material that allows some light to pass through but not clearly. Give an example of a translucent material.

• A) wood

• B) frosted glass

• C) glass

• D) paper

Priya has a block of wood. What shape does this solid take?

• A) a solid can change shape easily

• B) a solid keeps its own shape

• C) a solid takes the shape of the container

• D) the solid has no shape

Harper went to the store to buy some groceries. She picked up a bag of flour. What unit do we use to measure weight?

• A) liters

• B) kilogram

• C) Newton

• D) meters

Elijah was playing on a hill and noticed that when he threw a ball up, it always came back down. He wondered, what is gravity?

• A) a form of light that make us see things on the Earth

• B) a type of energy that pull us towards the center of the Earth

• C) a type of force that keep us towards the center of the Earth

• D) both B and C

Ethan is making lemonade. He adds sugar to the water, and after stirring, the sugar disappears. What does it mean when something dissolves?

• A) it means the substance evaporates

• B) it means that the substance turn into gas

• C) it means that the substances mixes completely with a liquid

• D) it means that the substance becomes liquid again

Aiden was conducting an experiment in his science class. He wondered, can oil dissolve in water?

• A) Oil floats in water

• B) Oil dissolves in water in small amount

• C) Oil dissolve in water

• D) oil dissolves in water when heated

Jackson is making a drink and wants to know what ingredients can dissolve in water. What are examples of something that can dissolve in water?

• A) iron, lead, plastic and salt

• B) salt, sugar, coffee and sand

• C) sugar, salt, flour and baking powder

• D) coffee, juice, sugar and salt