Science 3 Review

Study the food web below. Which of the following organisms is a producer?

• grass

• grasshopper

• bird

• snake

What is the mass of the box as shown in the picture?

• 90 kg

• 90 g

• 9 kg

• 9 g

What transformation of energy is involved in the picture?

• light energy ➡️ mechanical energy ➡️ chemical energy

• chemical energy ➡️ electrical energy ➡️ light energy

• light energy ➡️ chemical energy ➡️ mechanical energy

• light energy ➡️ electrical energy ➡️ chemical energy

A toy car moved at different speeds as the height of the ramp is changed. At which height did the car move the fastest based on the table shown?

• 2 books/blocks

• 3 books/blocks

• 4 books/blocks

• 5 books/blocks

What do these changes have in common?

a) mixing orange juice and water b) melting butter under the sun

• Both happen by heating.

• Both happen by cooling.

• Both are physical changes.

• Both are chemical changes.

What is the volume of the liquid as shown in the picture?

• 200 mL

• 150 mL

• 100 mL

• 50 mL

A graduated cylinder contains 20 mL of water. After a rock is placed in the cylinder, the level of water rose as shown below. What is the volume of the rock?

• 15 mL

• 20 mL

• 25 mL

• 30 mL

 

Study the food web below. Which of the following organisms is a herbivore?

• hawk

• frog

• owl

• mouse

Study the food web below. Which of the following organisms is a carnivore?

• wild cat

• rabbit

• mouse

• goat

Study the food web below. Which organism is the predator of the black tipped jackrabbit?

• mule deer

• bobcat

• pacific frog

• ringtail