Share Grade 5 round 2
Save to Folder
1. Which of the following changes is NOT reversible? A) Ice melting B) Water freezing C) Bread baking
C) Bread baking
A wooden log is cut into 10 smaller pieces. What happens to its total mass? A) Increases B) Decreases C) Stays the same
C) Stays the same
Which material conducts heat the slowest? A) Metal spoon B) Plastic ruler C) Copper wire
B) Plastic ruler
Salt is mixed into water and seems to disappear. What kind of mixture is this? A) Suspension B) Solution C) Gas mixture
B) Solution
If all predators disappear from an ecosystem, what will MOST LIKELY happen first? A) Plants will disappear B) Prey animals will overpopulate C) Sunlight will increase
B) Prey animals will overpopulate
Which of the following is both a consumer and a predator? A) Grass B) Mushroom C) Owl
C) Owl
Bees collect nectar but also help flowers reproduce. This is an example of: A) Parasitism B) Competition C) Mutualism
C) Mutualism
What causes night and day on Earth? A) Earth revolving around the sun B) Earth rotating on its axis C) The moon blocking sunlight
B) Earth rotating on its axis
Which planet is known as the “Morning Star” and “Evening Star”? A) Mars B) Venus C) Saturn
B) Venus
Which layer of the Sun is VISIBLE from Earth? A) Core B) Corona C) Photosphere
C) Photosphere
“A student put a block of ice in the Sun. After 10 minutes it turned into water, and then disappeared. What two changes have happened?” A) Physical then chemical B) Physical then physical C) Chemical then chemical
B) Physical then physical
If trees in an ecosystem suddenly stopped producing oxygen, which of the following would collapse first?” A) Decomposers B) Consumers C) Producers
B) Consumers
Which material will float on water AND keep its shape if squeezed? A) Rock B) Sponge C) Plastic bottle
C) Plastic bottle
Why doesn’t the Moon produce its own light? A) It is too small B) It is made of cheese C) It only reflects sunlight
C) It only reflects sunlight
Which is the BEST reason decomposers are called “Nature’s Recyclers”? A) They are green B) They eat trash and turn it into nutrients C) They make food chains longer
B) They eat trash and turn it into nutrients
Which of Al-Jazari's inventions is similar to modern robots? A) Flying machine B) Water clock that pours drinks C) Glass lens
B) Water clock that pours drinks
