Year 4 Science GL Mock Trial

Mammals drink milk when they are babies.

• True

• False

A bunny is brown in spring. Why does the bunny change to a white color in winter?

• Camouflage

• Hibernation

• Migration

Which food chain shows how energy moves through this web?

• Goat> Wild Cat> Jackal> Lion

• Plant> Rabbit> Wild Cat> Lion

• Lion> Goat> Owl> Plan

If you are investigating to see how the amount of water affects the plants, what should you do differently for each flower pot?

• Use different soil

• keep plants in different places for different sunlight

• use a different amount of water for each plant

If you are investigating to see how the sunlight affects the growth of the plants, what should you do differently for each plant?

• Use different seeds

• Keep plants in different places to give them the different amounts of sunlight

• use different soil

• use a different amount of water

A student wants to investigate the affect of sunlight on plants growth, which 2 plants he can use to compare

• 1 & 2

• 2 & 4

• 3 & 4

Anna is cooking with her mom she observed a few changes, which change is not reversible?

• Water vapor on the window

• Melting an ice cube

• Cooking pasta in a pan

Year 4's students are investigating on chemical reaction, they mix bicarbonate soda with vinegar and the bubbles appear. It is because. . .

• It is a reversible process

• Carbon dioxide is produced

• bicarbonate of soda dissolves

Which of the following mixtures can be separated by seive?

• Salt and Water

• Rice and Milk

• Milk and Coffee

Is rusting reversible or irreversible process?

• Reversible

• Irreversible