xplorer 1 unit 1

match each word in red with its definition : SMART

• a way of doing something

• clever

• better or more important than others

match each word in red with its definition: METHOD

• a way of doing something

• To help

• better or more important than others

match each word in red with its definition: SPECIAL

• something that helps you succeed

• better or more important than others

• clever

match each word in red with its definition: assist

• to help

• better or more important than others

• something that helps you succeed

Complete the information with the words from the box.

alike communicate feelings intelligent system

Orangutans and humans are________ in some ways. Both are very ______ animals. For example, to stay dry when it rains, orangutans take leaves from trees and use them like umbrellas.

• alike/intelligent

• communicate/ feelings

• intelligent /alike

Complete the information with the words from the box.

alike communicate feelings intelligent system

These apes don’t have a complex language _______like humans do. But today, some orangutans are learning basic sign language to express their thoughts and _____ New research also suggests that orangutans can _____ about the past, just like humans.

• system/ feelings/ communicate

• alike / feelings/ communicate

• system/ ngs intelligent/ communicate

Some nouns use the suffixes -ance and -ence. Use the noun form of these words to complete the sentences. Add the correct suffix to each word.

assist different intelligent

1. What is the ________between a dolphin and a porpoise?

Some nouns use the suffixes -ance and -ence. Use the noun form of these words to complete the sentences. Add the correct suffix to each word.

assist different intelligent

2. The fact that apes use tools shows they have great_______

Some nouns use the suffixes -ance and -ence. Use the noun form of these words to complete the sentences. Add the correct suffix to each word. assist different intelligent

3. Whales will often give___ to other whales that are in danger